Agilent Technologies 8935 series e6380a manuale d’uso

Agilent T echnologies 89 35 Series E638 0A CDMA Cellular/PCS Base Station T est Set Refere nce G uide Firmware V ersion: B.03.10 a nd above Agilent Part Number E6380- 90019 Revision F Printed in UK January 200 1[...]

2 Notice Informatio n contained in this document is subject to change wit hout notice . All Rights Reser ved. Reprod uct ion, adapt ation, or translation withou t prior wri tten permis sion is p rohibited, except as al lowed under the cop y r ig ht la w s. This material may be repro duced by or for the U.S. Government pursu ant to t he C opyr igh t[...]

Con tents 3 1. General Information Manufacturer's Declaratio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Lifting and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Consumables . . . . . . . .[...]

4 Con tents To remove a limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 Setting A Measurement Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 7 To set a reference . . . . . . . . . . . . . . . . . . . . [...]

Con tents 5 Using IB_UTIL Program s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 COPY_P L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 FILE_X FER . . . . . . . . . . . . . . . . . . . . . [...]

6 Con tents Gen Spe cial . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 Input Atte n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Input Port . . . . . . . . . . . . . . . . .[...]

Con tents 7 DC Level M easureme nt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 Distn (Dis tortion) Me asurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 FM Deviat ion Meas urement . . . . . . . . . . . . . . . . . . . . .[...]

8 Con tents Level (d iv) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Level (m ask) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Lvl (Delt a Mrkr) . . . . . . . . . . . . .[...]

Con tents 9 7. Configuration - Screens and Control Fields Configuring the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 5 Setting t he Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Changing t he B[...]

10 Con tents Ref Sele ct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Remote Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Retries . . . . . . . . . . . . . . . . . .[...]

Con tents 11 Hi Tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 Input Leve l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 Lo Tone . . . . . . . . . . . . . . . [...]

12 Con tents EVEN SECO ND S YNC IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 86 EXT REF IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287 EXT SCO PE TRIG IN . . . . . . . . . . . . . . . . . . . . . [...]

13 1 General Information This chapt er contains generic information about th e product, safe ty, warranty , sales and servi ce offices, p ower cables, and other info rm ation .[...]

14 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Manufac tur er's Decl ara tion Manuf actur er's D ecl aration This statement is provid ed to comply with the r equirements of the German Sound Emission Directive, from 18 Januar y 1991. This product has the fo llowing s ound pressure emission specificat ion: • sou[...]

Chapter 1 15 Genera l Informa tion Manufact urer's Decla ration Safety Conside ratio ns GENERAL Thi s produ ct and re late d d ocume nt ation m ust be re view ed f or familiariza tion with safety markings and instructions before ope ration. This product has been designed and tes ted in accordance with IEC Publication 6 1010-1+A1+A2:1992 Safety[...]

16 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Manufac tur er's Decl ara tion Safety Considerations for this Instrument W ARNING Whenever it is li kely that th e pr otect ion has be en impa ire d, the instrument must be made inoperative and be secur ed against any unintended oper ation. If this instrument is to be en[...]

Chapter 1 17 Genera l Informa tion Manufact urer's Decla ration W ARNING This product is a Safety Class I instrument (pr ovided with a protective ear thing ground incorporated in the power cord). The mains plug shall only be in serted in a socket outlet provided with a protecti ve earth contact. Any interruption of the prote ctive conductor in[...]

18 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Manufac tur er's Decl ara tion W ARNING Always use the three-prong ac power co rd supplied with this product. Failur e to ensure adequate e arth groundi ng by not using this cor d may cause personal injur y and/or product damage. This product is designed for use in Insta[...]

Chapter 1 19 Genera l Informa tion Product Markings Product Ma rkin gs The CE mark shows that the product complie s with all relevant European legal Directiv es (if accomp anied by a year , it signif ies when the design was proven). The CS A m ark is a re gistere d trad emark of the Canadian Standards Association.[...]

20 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Certification Certification Agilent T echnologies cert ifies tha t this p roduct met its p ublished specifi cations at the t im e of shipme nt from the f actory . Agilent furt her certifie s that its cali bration measurements ar e traceable to the United States National Insti[...]

Chapter 1 21 Genera l Informa tion Certification DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN /CENELEC EN45014 Manufacturer’s Name: Agilent Technologies UK Limited Electro nic Produ cts Solutio ns Group - Queensfe rry South Queensferry West Lo thian, EH30 9TG Scot land, Un ited Kin gdom Manufacturer’s Address: Declar es that [...]

22 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Agilent T echnologies Warranty Statement for Comm ercial Products Agilent T echn olog ies W arranty Statemen t for Commercial Pro ducts E6380A CDMA/Cellul ar PCS Base Station T est Set Duration o f W arranty: 1 Y ear 1. Agilent warrants Agilent har dware, accessories and supp[...]

Chapter 1 23 Genera l Informa tion Agilent T echnologies W arranty Statement for Commercial Products 7. TO THE EXTEN T AL LOWED BY LO CAL L A W , THE ABOVE W ARRANTIES ARE EXCLU SIVE AND NO OTHER W ARRANTYOR CONDITI ON, WHETHER WRITTEN OR ORAL IS EXPRESSED OR IMP LIED AND Agile nt SPECIFICAL LY DISCLAIMS ANY IMPLIED W ARRANTIES OR CON DITIONS OR ME[...]

24 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Assistance Assist ance Product maint enance agreements and other cust omer assistanc e agreements are available for Agi lent T echnologies products . For any assistance, contact your nearest Agilent T echnologies Sales and Ser vice Office. T able 1-1 Regional Sale s and Servi[...]

Chapter 1 25 Genera l Informa tion Power C ab l e s Power Cables Po w e r Cables T able 1-2 Power Cabl es Plug T ype Plug Descript ions male/female Agilent Part # (cabl e & plug) Cable Descript ions Straight/Straight Straig ht/90 ° 8120-1689 8120-1692 79 inches , mint gray 79 inches, mint gray Used in t he follo w in g loca tions Afghanist an,[...]

26 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Power C ab l e s Rep. South Africa, Romania, Russia, Rwanda Saudi Arabia (220 V), Sen egal, Slo vak Republic, Slo venia, S omalia, Spai n, Span ish Africa, Sri Lank a, St.Pierce Isla nds Swed en, Syr ia T ajikistan, Th ailand, T ogo, T unisia, T urkey , T urkmenistan USSR, Uk[...]

Chapter 1 27 Genera l Informa tion Power C ab l e s T able 1-4 Power Cabl es Plug T ype Plug Desc ript ions male/female Agil ent P art # (cabl e & pl ug) Cable Descr iptions Straight/Straight Stra ight/ 90 ° 8 120-2104 8120-2 296 79 inc hes, gray 79 in ches, gray Used in t he fo llo wing lo cations Switzerland T able 1-5 Power Cabl es Plug T y[...]

28 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Power C ab l e s Nicaragua Other Pacific Islands Panama, Phil ip pin es, Puert o Rico Saudi Arab ia (1 15V ,127V), Suriname T aiwan, T obago, T rinid ad, T rust T erritories of Pacific Isla nds Tu r k s I s l a n d United Stat es V en ezuela , Vietnam, Virgin Islan ds of the [...]

Chapter 1 29 Genera l Informa tion Power C ab l e s Used in the f ollo wing loc ations Denm ark Greenla nd T able 1-8 Power Cabl es Plug T ype Plug Descriptions male /fe mal e Agilent Part # (cabl e & plug) Cable Descr iptions Straight/Straight Stra ight/ 90° 8120- 421 1 8120-4600 7 9 inches, mint gray 79 inche s, mint gray Used in t he follo [...]

30 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Power C ab l e s Enderbury Isla nd, Equat orial Guinea Falkland Is lands, French Pa cif ic Islands Gambia, Gha na, Gibra ltar , Guin ea Hong Kong Ireland Kenya, Kuwait Macao, Malays ia, Mauri tius Nigeria Qatar Seychelles, S ierra Leone, Singapore, So uthern Asia, Souther n P[...]

Chapter 1 31 Genera l Informa tion Power C ab l e s We s t e r n S a m o a T able 1- 1 1 Power Cabl es Plug T ype Plug Descriptions male/female Agilent Part # (cable & p lug) Cable Descriptio ns Straigh t/Stra ight Straigh t/Stra ight Straight/9 0 ° Straight/9 0 ° 8120-186 0 8120-157 5 8120-219 1 8120-437 9 60 inches, jade gra y 30 inches, ja[...]

32 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Power C ab l e s ATTENTION Stat ic Se n sit i ve Devices This instrument was co nst ructed in an ESD (elect ro- static discharge) protec ted environment. T his is bec aus e most of the semiconductor devices used in this instrument are s usceptible to damage by s tatic dischar[...]

Chapter 1 33 Genera l Informa tion Product Description Product Description The Agilent T echnologies 8935 Se ries E6380A CDMA Cellu lar/PCS Base Station T est Set offers full signal generation an d analysis capabil ity and suppor t for cellula r frequency bands and inte rnational PCS frequency bands. Y ou can perform the following CDMA measurements[...]

34 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Product Descri ption In addition to its CDMA measurements and c apabilities, the T est Set also provide s the following analog measurements : • AC Level •A M D e p t h •A F F r e q u e n c y •D C L e v e l • Distortion • Frequency and Frequency Error • T ransmit[...]

Chapter 1 35 Genera l Informa tion Documentatio n Docu mentat ion Conventions Used in This M anual The following conventions are used throughout thi s manual to help clar ify in struc tion s and re d uce unne c essar y te xt: • “T est Set” refers to the Agi lent 8935 CDMA Cellular/PCS Base Stat ion T est Set. • T es t Set keys are indicated[...]

36 Chapter 1 C:SpkR efRefGui deRev EPreface. fm Genera l Informa tion Documentatio n • Chapter 6, “ Analog Measurements - Screens and Cont rol Fields,” on page 177 explai ns the meas urements that ca n be made from these screens and the fields that control the measurem ent’ s parameters . Analog measurements include ac/dc level, AM dept[...]

Chapter 1 37 Genera l Informa tion T rademark Ac knowledg ments T rademark Ac kn owled gments Hewlett-Packard  and HP  are registered t rademarks of Hewlett-Packard Company . Microsoft ‚ W indows  , and MS-DOS  ‚ are re g i st ered trademarks of Mic ro sof t Co rp ora t io n. ProC o mm ‚ i s a re gist er ed tra dem ark of Da ta S [...]

Chapter 2 39 2 Getting Started[...]

Getting Star ted Chapter 2 40 • “Before Connecting a Radio” on page 41 • “Chan gi ng the Measurement Scr een” on page 42 • “Chan ging th e Control Fields” on page 44 • “Instrumen t Quick Check ” on page 49[...]

Getting Star ted Before Connecting a Radio Chapter 2 41 Before Connecting a Radio NOTE The RF IN/OUT po rt should be used for all transmitt er tests when the ra dio is connected direct ly to t he T est Set. (All UU T tran s m it te r pow e r mea su re m ent s are m ad e thr o ugh this por t). Off-the-a ir measure ments can be made using t he ANT IN[...]

Getting Star ted Changing the T est Set ’ s D isplay Chapter 2 42 Changing the T est Set’ s Display Changing the Measur ement Screen The measur ement screen i s changed using the tit lebar at the t o p of the screen a nd the cursor -control knob, u sing the GENERA TOR/ANAL YZER ke ys, or by using the UTILS keys. Rotate th e knob to mov e the cu[...]

Getting Star ted Changing the T est Set’ s Display Chapter 2 43 T o change the measurement screen Step 1 . Sel ect the ti tlebar a t the top of t he screen ( placement of the titl ebar may vary sl ightly on some sc r ee n s) . Step 2 . Select the measureme nt screen fr om the list of choices. OR Step 1 . Press a scree n key: CDMA G en, CDMA Anl, [...]

Getting Star ted Changing the T est Set ’ s D isplay Chapter 2 44 Changing the Control Fiel ds There are se veral typ e s of con t rol fiel ds in t h e T est Set. This sectio n d es cribe s some of the dif fe r e nt types of fiel ds. Unit-of-Measure Field Unit-of-me asure ca n be changed to disp lay me asuremen ts in differen t valu es o r magnit[...]

Getting Star ted Changing the T est Set’ s Display Chapter 2 45 Underlined Entr y Field Underli ned entry fie lds provid e a choice of two setting s (toggl e). Figure 2-3 Underlined Entry Field T o Change an underlined entry Step 1 . Posi tion th e cursor at the fi eld. Step 2 . Pu sh the cursor -control knob or the Enter key to move the underlin[...]

Getting Star ted Changing the T est Set ’ s D isplay Chapter 2 46 One-of-Ma ny Field One-o f-m an y fie ld s display a list of choices when s elect e d. Figure 2-4 One-of-Many Field T o make a one-of-many choi ce Step 1 . Posi tion th e cursor at the fi eld. Step 2 . Pu sh the cursor -control knob or the Enter key to display th e choices. Step 3 [...]

Getting Star ted Changing the T est Set’ s Display Chapter 2 47 Numeric-Entry Fields V alues for numeric entry fields can be enter ed and changed using various met hods, depending on your tes ting needs. Figure 2-5 Numeric-Entry Field T o change a value Step 1 . Posi tion th e cursor at the fi eld. Step 2 . Ke y in the desire d number using the D[...]

Getting Star ted Changing the T est Set ’ s D isplay Chapter 2 48 Decimal V alues Decimal valu es are u sed for mos t num eric entry fields. T h e acceptabl e entries f or decimal valu es are 0 through 9 ,. , +/- , a nd EEX . The +/- key is u sed for ent ering negative numbers. The EEX key is used to enter values in exponential notation. For exam[...]

Getting Star ted How do I V erif y that t he Test Set is Opera ting Properly ? Chapter 2 49 Ho w d o I V e ri f y t h at t h e T e st S e t i s O p e ra t i ng Pr o p er l y ? If your T est Set powe rs-up and displays t he CDMA ANA LYZER screen, but you suspect an inst rument p roblem, use the Inst rument Q uick Check to verify o peration of the ba[...]

Getting Star ted How do I V erify t hat the Test Set is Opera ting Properly? Chapter 2 50 Figure 2-6 CDMA Spect rum[...]

51 3 Opera ting Overvi ew[...]

52 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w • “Displaying CDMA Measurements ” on page 53 • “Displaying Analo g Measurements” on page 56 • “Usin g C h a nnel Nu m ber s to Set A n a lyze r a n d Gene rato r Frequencies” on page 60 • “Calibrating the Channel Power Measureme nt – CDMA Analyzer”[...]

Chapter 3 53 Ope ratin g Overvi ew Dis pla ying C DMA Me asur emen ts Displaying CDMA M easurements Channel Power , A djacent Channel Pow er (ACP), Rho, Error V ector Magnitude (EVM), A verage Power Y ou can select channel power , ACP , rho, EVM, or average power on the CDMA ANA LYZER or CDMA GENE R ATOR sc reen as shown in Figure 3-1 . For more in[...]

54 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Displaying CDMA Me asurements Magnitude Err or , Phase Error When you select EVM , the Magnitude Error an d Phase Error measurements are disp layed. Code Domain Measureme nts (Power , Fast Power , Power & Noise, Complex Power , Phase, T iming, Fast Power Synchronization[...]

Chapter 3 55 Ope ratin g Overvi ew Dis pla ying C DMA Me asur emen ts Figur e 3- 3 S el ec ti n g Code Doma in M eas u r em e n ts I/Q Diagram Displays t he I/Q convergence for the curre nt measurement. See “IQ Constellati on Diagram, IS- 2000 only” on page 149 for a dditi ona l information. Figure 3-4 IQ Constellation Diagram[...]

56 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Displaying Analog Measurements Displaying Ana log M easurements RF Measurements Frequen cy Error , Freque ncy RF Frequency Error an d RF Freque ncy are displaye d on the RF ANAL YZER, RF GENER A TOR, and AF ANAL YZER screens. Figure 3 -5 Displaying RF F requency Error or RF[...]

Chapter 3 57 Ope ratin g Overvi ew Displaying Analog Measurements Displaying AF Measureme nts FM Deviation, AM Depth, A C Level The AF Anl In setting d etermines t he AF analyzer’s input and the measurement d isplayed in the top- right corner of the measurement area (s ee Figure 3-6 ). These mea surements ar e displayed on the RF GENERA TOR, RF A[...]

58 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Displaying Analog Measurements Figure 3 -7 Displaying SINAD, Distortion, SNR, DC Level, or AF Frequency The Distortion and SINAD measurements use the variable f r equency notch filter (audio anal yzer screen frequenc y range 300 Hz – 10 kHz). Selecting S NR (Signal/Nois e[...]

Chapter 3 59 Ope ratin g Overvi ew Displayi ng Mea surem en t Results on a Meter Scal e Displaying Me asurement Res u lts on a Meter Scale Figure 3 -8 Displaying the Mete r Scale Measurement re sults can be disp layed on a meter scale. The digital numeric value i s still displayed (but smaller) under the meter sc ale. T o disp lay the meter sca le [...]

60 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Using Channel Numbers to Set Analyz er and Generator F requencies Usin g Channel Numbers to Set Analyzer and Generator Frequencies RF analyzer and RF generat or frequencies can be entered by channel numb er (t h e d efa u l t set ti n g ) or by d i sc ret e f req u e n cies[...]

Chapter 3 61 Ope ratin g Overvi ew Calibra ting the C hannel Powe r Measu rement – CDMA Analy zer Calibrating the Channel Power Measurem ent – CDMA Analyzer T o calibrate a c hannel power measurement usi ng the inte rnal CDMA generator: Step 4. Remove power from the RF IN/OUT (or ANT IN) port. Step 5. Go to the CDMA ANA LYZER screen and cho ose[...]

62 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Calibrating the Chann el Power Measu rement – Code Domain Calibrating the Channel Power Measurem ent – Code Dom ain T o calibrate a c hannel power measurement usi ng the internal CDMA generator: Step 8. Remove power from the RF IN/OUT (or ANT IN) port. Step 9. Go to the[...]

Chapter 3 63 Ope ratin g Overvi ew Calibrating the Adjacent Channel Power ( ACP) Measurement Calibrating the Adjacent C hannel Power (ACP) Me asu re ment T o calibrate an A CP measurement using the internal CDMA generator : Step 12. Remove power from the RF IN/OUT (or ANT IN) port. Step 13. Go to the CDMA ANA LYZER screen and choose the ACP measure[...]

64 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Changing the Incremen t or Decrement Setting Changing the Increment or Decrement Setting Specifying An Increment V alue for the Arrow Keys or Knob The Incr Set key is used to assign a s pecific incre ment value. The increment value may use different unit s than the field yo[...]

Chapter 3 65 Ope ratin g Overvi ew Using Measurement Limit Indicators Using Meas urement Limit In dic ators The Lo Limit and Hi Limit func tio ns are used to define a measurement “window .” Y ou can set a high limit, a low limit, or both. When limits ar e assig ned, Lo , Hi or both are indic ated on the scr een. A measurement tha t goes above o[...]

66 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Using Measurement Limit Indicators T o rem ove a limit Step 1. Position t he cursor in front of t he unit-of-measu re for the assigned limit. Step 2. Press a nd release the Shift key , then the down-ar row (or up -arrow key ) to acc e ss the Lo Limit (or Hi Li mit ) functio[...]

Chapter 3 67 Ope ratin g Overvi ew Setting A M easurement Re ferenc e Setting A Measurement Re ference The reference s et (Ref Set) function establi shes a measurement refe renc e poi n t. Thi s al l ow s you to m a ke a dire ct c o mpa ris on b et wee n two measurement results, or be tween a measurement standard and the actual measur ement results[...]

68 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w A ver aging M easurement s A v eraging Measurements The Avg (average) functio n allows you to display the average value of a number of meas urements. Y ou enter the number of measurement samples u s ed to calculate and display the measurement average. This dampens the e f f[...]

Chapter 3 69 Ope ratin g Overvi ew Setting an RF Generato r/Analyzer Offse t Setting an RF Generato r/Analyz er Offs et Y ou can set a fixed fr equency offset bet ween the RF generator and the RF analyzer . This feature is convenient for te st ing radios with a fixed transmit/r eceive frequ ency offset. T o set an RF Offset Step 1. Go to the INSTRU[...]

70 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Saving and Recalling Instrument Se tups Saving and Rec alling I nstrume nt Setups The save and recall f unctions al low you to store differ ent instrument setups and retrieve them later , elim inating the ta sk of re-configurin g the T est Set. The number of available save [...]

Chapter 3 71 Ope ratin g Overvi ew Saving and Recalling Ins trument Setups T o rem ove (clear) an ind ividual save register Step 1. Specify where the regist er is stored using the Save/R ecall field on the I/O CONFIG URE scr een . Step 2. Press Recall . Step 3. Use the knob to posit ion the cursor in front of the register to be removed from the Rec[...]

72 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Saving and Recalling Instrument Se tups BASE Settings The BASE register conta ins any field settings t he user has saved that are dif f erent from the ins trument prese t state. I t establishe s a refe renc e poi n t fo r all fu tu r e s a v es . If a b ase is no t save d, [...]

Chapter 3 73 Ope ratin g Overvi ew Using USE R Keys Using USER Keys Y ou can use user keys to move quickly between fields on the same screen, and to access fields that are not normally available on the screen you ar e using. Local use r keys are used to move between settings on th e scr een that is displayed . Five local user keys are availabl e fo[...]

74 Chapter 3 C:Sp kRef RefGu ideRevE Opov erv .fm Operating Ov erv ie w Using USE R Keys Assigning and Releasing U SER Keys When defi ning user keys, the Assign function is used to c reate key defi nitions; th e Release function removes the defi nitions. Re-assigning a user key t o a differe nt field automatically release s it from it s previou[...]

Chapter 3 75 Ope ratin g Overvi ew Replacing Batteries Replacing Bat teries T est Set backs up it s RAM using two battery types. One type is a set of two AA batteries mounted inside the rear panel of the T est Set. Y ou must perio d ically change these batt eries. The second t ype of R A M backup b attery is not us er serviceab le. CAUTION Failure [...]

77 4 Overvi ew o f the T e st Set’ s Built-In T ools[...]

78 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of th e Test Set ’s Bu ilt -In Too ls • “Using the RF Tools Program” on page 79 • “Using the Code D omain Analyzer” on page 108 • “Using t he Spectru m Analyzer” on page 1 1 1 • “Using the V oltmeter and Audi o Frequency Count er” on page 118 • “Using t he Osc[...]

Chapter 4 79 Overview of the Test Set’s Built-In To ol s Using the RF T ools Program Usin g the RF T ools Program The RF T ools program resid es in the T est Set’ s ROM. This guide supports RF T ools version B.02.1 1. • “Loading and Running RF T ools” on page 80 • “T est Results /BTS Utility Setup” on page 81 • “Swept Gain” on[...]

80 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of th e Test Set ’s Bu ilt -In Too ls Using the RF T ools Program Loading and Running RF Tools 1. Press the MENU key to display the SOF TW ARE MEN U screen (sh own bel ow) . Figure 4- 1 SOF TW ARE MENU Scr ee n 2. Position the cursor at the h ighlighted area under Select Procedure Locati[...]

Chapter 4 81 Overview of the Test Set’s Built-In To ol s Using the RF T ools Program T est R esults/BTS Utility Setup Use this se tup to configur e a metho d for meas urement d ata collection. Measurement results may be collect ed using a printer , a laptop, or a PC card . Figure 4-3 T est Results/BTS Utility Setup Screens RF T ools Main Menu (BT[...]

82 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of th e Test Set ’s Bu ilt -In Too ls Using the RF T ools Program T o use a laptop and the BTS Laptop Utility for data collection: This function of RF T ools is used with the BTS Laptop Utility program. T es t re s ults can b e st o re d as ASCII or pl o t da t a . For more info rm ati o[...]

Chapter 4 83 Overview of the Test Set’s Built-In To ol s Using the RF T ools Program T o use a laptop interface other than the BTS Laptop Utility 1. If Use BT S Laptop Utilit y is set to Yes , change it to No by selecting the fi eld. 2. Position th e cursor at Send Te st Results to and select it . A Choices m enu appe ars. 3. Position th e cursor[...]

84 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of th e Test Set ’s Bu ilt -In Too ls Using the RF T ools Program Figur e 4- 4 Sel ectin g the S wep t Ga i n Meas u reme nt T es t 2. Position the cursor at Star t Freque ncy in MH z and select it. Enter a value for the st art of the frequency swee p from 0.4 MHz to 1000 MH z or 1700 MH[...]

Chapter 4 85 Overview of the Test Set’s Built-In To ol s Using the RF T ools Program 6. Position th e cursor at DUPLEX OUT Lev el in dB m and select it. Enter the powe r level, − 54 to +10 d B m, at which the test shoul d be conducted . If you are testing a p ower s ensitive device, enter a l ow level value t o avoid damage to that device. CAUT[...]

86 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program 10. The trace of t he device gain over the fre quency range swept is displayed. If t he gain exceeds 40 dB, it will not ap pear on t he trace. The maximum gain is also d isplayed as text on the sc reen. T o save the plot t[...]

Chapter 4 87 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program Specifications • Frequency Range: 0.4-1000 MHz, 1.7-2.0 GHz • Swept Signal Level: -54 dBm to +10 dBm Discrete Frequency Inser tion Loss Meas u rem en t D escrip tion The discr ete frequency inser tion loss test measure s the loss of a c able or device at a[...]

88 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program 3. Position th e cursor at DUPLEX OUT Lev el in dB m and enter the power level at which the te st should be conducted . 4. Press k1 ( Beg in Tst ) to begin the test . Figure 4 -9 Discrete Freq uency Inser tion Loss Setups [...]

Chapter 4 89 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program Swept Insertion Loss Meas u rem en t D escrip tion This test measures the loss o f a cable or device by sweeping it over the specifi ed frequenc y range. This test uses t he Spectr um Analyzer to make measurements. Making the Me asurement 1. Select Swept Inser[...]

90 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program 4. Position th e cursor at Max expected l oss i n d B and enter the greatest l oss expected t hrough your device. The insertion loss will be displayed from 0 dB to the value entered in this field. There fore, if the Max e [...]

Chapter 4 91 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program 9. The trace of the cable loss over the frequency range swept is displayed . The average loss is also displ ayed on the screen. T o save the plot to a PC car d, press k4 ( Save Plot ) and use the knob to enter a filename. Pres s k5 ( Scr D ump ) to send the im[...]

92 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program Swept Return Loss Meas u rem en t D escrip tion Swept return los s is a measu re of reflection ch aracteris tics. The purpose of the swep t return loss test is t o detect pr oblems in the antenna feedline system and the an[...]

Chapter 4 93 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program Figur e 4- 12 Selec ti n g th e Sw ep t Ret u rn L o s s M easu re me nt 2. Position the cursor at Star t freque ncy in MH z and select it. Ent er a value for the st art of the frequency swee p from 0.4 MHz to 1000 MH z or 1700 MHz to 2000 M Hz. 3. Position th[...]

94 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program CAUTION Damage may result if the power input t o the T est Set’ s ANT IN port exceeds 60 mW (which is equivalent to 1 8 dBm). Damage may also result to the unit -under-test if it is overdriv en by the D UPLEX OUT power l[...]

Chapter 4 95 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program 9. The plot screen appears. The t race showing return l oss over the frequency band s elected is displ ayed on the scre en. Measured values for best and worst cas e return loss and VSWR are printed at the top of the s creen. T o save the plot to a PC card, p r[...]

96 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program Figure 4 -15 Example of an Swept Return Loss r esults sc reen Estimating Antenna Return Loss If you are measuri ng the retur n loss of an a ntenna connec ted to the en d of a known good feed line, you can determine the app[...]

Chapter 4 97 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program Cable Fault Meas u rem en t D escrip tion A frequency-s wept signal is tra nsmitted from t he DUPLEX OUT port of the T est Set through a resist i ve power divider to the cable-unde r-test. The signals re flected fr om faults in the c able are co mbined in the [...]

98 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program Making the Me asurement 1. Select Cable Fault from t he Select T est (Main) Menu. The Cable Fault Informatio n menu will appear . Figur e 4- 16 Selec ti n g th e Ca ble F au lt Me a sur emen t 2. Position th e cursor at Sw[...]

Chapter 4 99 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program NOTE The greatest accuracy is obtained when you enter a cable length slightly greate r than the cabl e length begin tested. If you are not sure of the cable lengt h, enter a value 1.5 time s the estimat ed length. Depending on the return loss of the antenna or[...]

100 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program Figure 4- 17 Cable Fau lt Setu ps 8. A setup s creen appear s with a diagram of the necessary connections (see Figure 4-17 ). It is very important that the power divider is a 2-way resisti v e device. Pr ess k1 ( Proceed [...]

Chapter 4 101 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program Figure 4-18 Example of a Cable Fault Plot Screen 1 1.The cable fault r esult scr een appears with the test re sults (see Figure 4-19 for an example). If the BTS Laptop Utility is in use, this data is collected by the laptop . If you wis h to repe at the test [...]

102 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program T ypical cable f ault return loss measur ements Return loss is a ratio of input powe r to reflect ed powe r. For example, if 100 W atts was applied t o a cabl e and 10 W atts was returne d, the return loss i s 10 dB (10 l[...]

Chapter 4 103 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program Figure 4-2 0 Replot Data Files Select Main Menu[...]

104 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program T rans fer Store d Da ta This utility may be used to easily transfer data c ollection files (test results ) from an SRAM PC card over the se rial, parallel, or GPIB port . Y ou do not need to write an IBasic program. N o [...]

Chapter 4 105 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program SA (Spectrum Analyzer) Self Ca libration ON/OFF This menu item allo w s you t o check the calib ration status of the T est Set’ s spectrum analyzer , and change the status i f you desire. Figure 4-22 SA Self Calibration OFF/ON Screen The RF TOOLS program us[...]

106 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the RF T ools Program Each RF TOOLS t est in cludes two parts : calibration and m easurement. If the spec trum analyzer performs a self calibratio n between the calibration and measurement of the RFTOOLS test, the spectrum analyzer ’ s autom[...]

Chapter 4 107 Overview of the Te st Set ’ s Built-In To ol s Using the RF T ools Program Figure 4-2 3 Catalog Memory Card Screen Select Main Menu[...]

108 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the Code Domain Analyzer Using the Code Dom ain Ana lyzer The code domain analyzer has two display modes , selected in the Inst Config screen: • IS-9 5 – co rrespondin g to th e standard that specifies 64 channels in the Hadamard (consecut[...]

Chapter 4 109 Overview of the Te st Set ’ s Built-In To ol s Using the Code Domain Analyzer Figur e 4- 24 Code Dom ain An al yzer M e nus – I S- 95[...]

11 0 Cha pter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the Code Domain Analyzer Figure 4-25 Code Domain Ana lyzer Menus – IS-2000[...]

Chapter 4 111 Overview of the Te st Set ’ s Built-In To ol s Using the Spec trum Analy zer Using the Spectru m Analyzer Automatic Calibration During operation, the spectrum analyzer pauses for approximatel y 2 seconds every 5 minutes to recalibrat e itself. Th is doe s not affect the accuracy of dis played meas urements, but doe s cause a brief i[...]

11 2 Cha pter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the Sp ec trum Analy zer Selecting the Spectrum Analyzer ’ s Controls Menus Several levels of menus are used to access the various controls associat ed with the spectrum analyzer (see Figure 4-26 on page 1 12 ). “Control Fi elds for Anal[...]

Chapter 4 11 3 Overview of the Te st Set ’ s Built-In To ol s Using the Spec trum Analy zer Using the Spectrum Anal yzer ’s Delta Markers Delta markers are displayed when the Norm/Delta field on the spectr um analyzers Marker m enu is set to Delta . The delta makers are posi tioned in t he same way as t he normal marker s usi ng the Mar ker men[...]

11 4 Cha pter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the Sp ec trum Analy zer Refere nce Marker (Ref Mr kr) Level a nd Frequency In the delta mar ker mode, a second (referen ce) marker is place d at the current locat ion of the marker . The f irst marker becomes a m oveable delta mark er . Whe[...]

Chapter 4 11 5 Overview of the Te st Set ’ s Built-In To ol s Using the Spec trum Analy zer Using the Spectrum Anal yzer Mask The spectrum analyzer mask consist s of t wo adjustable limit lines. The y s h ow th e u p p er a n d low e r l i m i t s of s pe ctr a l oc cu p an cy . Y ou ca n choose t o set and display either upper or lowe r limits f[...]

11 6 Cha pter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the Sp ec trum Analy zer Defining the Fixed Mask’ s Limits 1. Set the Edit Mask field to the l im it you want t o edit ( Upper or Lower ). Y o u m i ght w a n t to se t the Mas k Beep fie ld to Off whil e you are defining t he mask. 2. Set[...]

Chapter 4 11 7 Overview of the Te st Set ’ s Built-In To ol s Using the Spec trum Analy zer Defining the Relative Mask’ s Limits 1. Set the Edit Mask field to the l im it you want t o edit ( Upper or Lower ). Y o u m i ght w a n t to se t the Mas k Beep fie ld to Off whil e you are defining t he mask. 2. Set the Mask Type fie ld to Rel . 3. Set[...]

11 8 Cha pter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the V oltmeter and Audio Frequency Counter Using the V o ltmeter an d Audio Frequency Counter The voltmeter can be used to measure ac and dc voltages. The input to the v o ltme te r i s de te rmi n ed by t he AF Anl In field on the AF ANAL Y[...]

Chapter 4 11 9 Overview of the Te st Set ’ s Built-In To ol s Using the Oscilloscope (Scope) Using the Os cillo scope (Sc ope) The built-in 50 kHz oscillo s cope provides • multi ple tr igge ring formats (inter nal and external) • single-sho t and pre-trigger viewing for s ingle events • full marker c apability with auto matic level and tim[...]

120 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the Os cilloscope (Scope) Selecting the Oscilloscop e’ s Input Step 1. Press Shift , then RF Anl ( AF Anl ) to se le c t the A F ANALYZER screen. Step 2. Sele c t th e AF An l In field. A lis t of choices appe ars. Step 3. Select t he desire[...]

Chapter 4 121 Overview of the Te st Set ’ s Built-In To ol s Using the Oscilloscope (Scope) Selecting the Oscilloscop e’ s Filter s Step 1. Press Shift , then RF A nl ( AF Anl ) to select the AF ANA LYZER screen. Step 2. Sele c t th e Scope To f ield. A list of c hoices should appear . Step 3. Select th e desire d filtering for the signal: • [...]

122 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using IB_UTIL Programs Using IB_ UTI L Programs See “Se curing a T est Procedure” on p age 123 f or information about the SECURE_IT program. See “Clearin g RAM” on pa ge 124 for information about th e RAM_MANAGE R program. COPY_PL The COPY_P[...]

Chapter 4 123 Overview of the Te st Set ’ s Built-In To ol s Securing a T est Procedure Securing a Test Procedur e The password option for securing a test procedure is ac cessed by loading and running the SECURE_ IT ROM program. This pr ogram is accessed by ru nning the IB_U TIL pro gram. Step 1. Select t he SOF TW ARE MENU screen. Step 2. Sele c[...]

124 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Clearing RAM Clearing RAM RAM can be cl eared using the RAM_MANAGER program in the T est Set’ s ROM. This program cl ears all RAM, including any SAVE/RECALL registers saved to Internal RAM. This program is acces sed by running the I B_UTIL progr a[...]

Chapter 4 125 Overview of the Te st Set ’ s Built-In To ol s Using t he LIST OPTS (list options) Program Using the LISTO PTS (list options) Program Y ou can list the opt ions tha t are ins tal led in your T est Set (if any) using the LISTOPTS progra m. LISTOPTS also displays the firmwa re versi on of your T est Set. Follow the s teps be low to ru[...]

126 Chapter 4 C:SpkR efRef GuideRevE T ools.fm Over view of t h e Test Set ’ s Built -In Tools Using the DEMO Program Using the DEMO Program Y ou can use the DEMO program to learn about the capabilities of the T est Set. This program d emonstrates so me of the most us eful featur es of the T est Set. Follow the s teps below t o run the DEMO p[...]

Chapter 4 127 Overview of the Te st Set ’ s Built-In To ol s Using the ST_PL T (stor e or plot) Program Using the ST _PL T (store or plot) Program This program allo ws you t o sto re a spectrum analyzer , or oscilloscope trace. The sto rage m edium can be either a memory ca rd or internal RAM. PC card or to plot a stored trace from a PC c ard. Be[...]

129 5 CDMA Measurements - Screens and Contro l Fiel ds[...]

130 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds • “A verag e P ow er M e asu r eme nts ” on page 1 3 1 • “Adjacen t Channel Power Measureme nts” on page 132 • “Rho Measurement s” on page 133 • “Error V ector Magnitude ( EVM) Measurements” on page 138 • “Code[...]

Chapter 5 131 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements CDMA Meas ureme nts A verage Power Measurements Av g P w r Avg Pwr displays the avera g e power level of all signals at t he RF IN/OUT por t. The units (watts, volts , or dBm) can be changed by positioni ng the curs or in front of the unit s field and then pressing[...]

132 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Adjacent Channel Power Measure ments ACP Adjacent cha nnel power can be measured at f requency offse ts of 0 to 3 M Hz, and filt er bandwidths of 10 kHz t o 1.23 MHz with 100 Hz resolutio n. This measurement returns thr[...]

Chapter 5 133 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements ADC FS ADC FS is displayed when cha nnel power is measure d . ADC FS indicates how close the measured power level is to the maximum allowed input le vel at t he RF I N/OUT por t for a p arti cular Gain setti ng (on the CDMA ANAL YZER screen). Changes t o ADC FS can[...]

134 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Figur e 5- 1 Rh o Screens on which this me asurement is displa yed • CDMA ANA LYZER • CDMA GENERA TOR Estimated Rho (Est Rho) Estimated rho is an calculate d approximation of rho that is ma d e withou t t ak i ng th[...]

Chapter 5 135 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements Tim e O f f s et Ti m e offset is displayed when th e Rho m easurement is sele cted. Time offset is the time differ ence between the bas e station’ s e ven seco nd and the start o f the s hort se quence . It ind icate s how well your trans mitte r ’ s signal is[...]

136 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Figur e 5-2 T ime Offs e t Carrier F e ed thro ug h Carrier f eedthrough is displayed when the Rho measurement is selected . Carrier feedt hrough is a comm on cause of bad rho mea su re m e nts . Ca rrie r fee d t h rou[...]

Chapter 5 137 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements Figur e 5- 3 Ca rr i er Fe ed thr oug h Screens on which this measurement i s displayed • CDMA ANA LYZER • CDMA GENERA TOR • CODE DOM (Code Domain Analyzer) Q I or i gi n Re al I deal Si gn al Po w e r + E rro r Pow e r Fr e q u e n y C a rri er Fe e d t hr o[...]

138 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Error V ector Magnitude (EVM) Measurements EVM EVM is a measurement of the acc uracy of the phase and amplitud e of the QPSK (Quadrature Phase Shift Keying) or Offse t QPSK (OQPSK) modulation . Expressed as a percenta g[...]

Chapter 5 139 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements Code Domain Measureme nts – IS-95 If you have selected I S-95 only in the INSTRUMENT C ONFIGURE screen, the Code Domain screen will appe ar as described in t his section, with th e W alsh Code ordering f ollowing the Hadamar d paradigm, wi th 64 channels, tot al.[...]

140 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements • Relative cod e domain power disp lays the power in each of t he 64 W alsh channels, relat ive to the pilot’ s power . (Pilot power is approximately two-thirds of the total p ower . ) The 64 W alsh codes (0 through[...]

Chapter 5 141 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements Fast Power Fast power is a faster method of measuring code domain power . A value for T ime O ffset must be transfer red from a non-fast power measurement b efore fast measurements begin, or when changes to any of the fol lowing fields occur: Data Rate , PN Offset [...]

142 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Figure 5 -8 Code Domain Ti ming and P hase Screens on which this me asurement is displa yed • CODE DOM (Code Domain Analyzer , IS-95 only) Code Domain Measureme nts – IS-2000 If you h av e selec te d IS-2000 in th e[...]

Chapter 5 143 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements • Improve d Convolutional Encoding for 14.4 Kbps V oice Channels – Improve d sp ectral effici ency and higher spreading rates allo w voice channels using the 14.4 Kbps vocoder now have robust convolut ional encoding. • Fast Closed Loop Power Control on Forwar[...]

144 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Figure 5-1 0 IS-95 re presentation utilized Walsh ord er 6 alone in assig ning channel numbers. The W alsh index util izes W alsh orders 0 - 7 32 96 48 112 40 104 56 120 36 100 52 116 44 108 60 124 34 98 50 114 42 106 5[...]

Chapter 5 145 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements The order selected depends on the data type. A Walsh order of 1 (one), will result in a channel size of 128. T his size e xcl ude s al l o the r c ha nnel numbers from the transmission. However , a W alsh order of 2, on any of the 4 po ssible W alsh codes at th at [...]

146 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Figure 5- 12 Code Domai n P ower , IS-2 000, H a da m a rd Ord e r ing Tim e o f fs e t ( Tm O fs ) and f requency error ( Fr eq Err ) are always displayed when any code d omain measurement is made. Carrier feedthro ugh[...]

Chapter 5 147 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements Screens on which this measurement i s displayed • CODE DOM (Code Domain Analyzer , IS-2000) Fast Power Fast power is a faster method o f m easuring code domain power . A number of i nternal values must be transferred from a non-fa st power measurement b efore fas[...]

148 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds CDMA Mea surements Code Domain Complex Powe r The Complex Power measu rements provi des two views of the current Power values in the code domain: • I Code V iew – IS-95 c hannels and IS-2000 channels combined • Q Code V iew – IS-2[...]

Chapter 5 149 CDMA Mea sure men ts - Screens an d Control F ields CDMA Mea surements IQ Constellation Diagram, IS-2000 o nly If y o u ha ve th e IS -2000 opt ion i nst alle d, you w ill be able to select the I/Q PLOT screen from t he set of available measurements. Figure 5-1 6 IQ Constellation Diagram The I/Q Constellation Di agram screen graphical[...]

150 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Control Fields fo r CDMA Meas urements # of Frames See “Data Source” on page 157 . ACP Cal This field calibra tes the ACP m easurement for the curr ent RF analyzer frequency a t the select ed fr[...]

Chapter 5 151 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s ACP Offset This fiel d designates the frequency offset from the center frequenc y at which the ACP measur ement is made in the adjacent chann els. V alid values are 100 kHz to 3 MHz. This fie ld is d isplaye d on ly wh en the ACP measurement [...]

152 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Analyzer (CDMA analyzer ) The Analyzer fie ld con trol s thre e fun ctio ns: • Arm Meas arms the CDM A analyzer . The CDMA analyzer needs to be armed only when Single (see below) is select ed. •[...]

Chapter 5 153 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Anl Special Analyzer special modes change how IQ modulated signal s are analyzed . • Normal sets the CDMA generator and CDMA analyzer to create and analyze signals with stand ard r otation. • Inverted sets revers e rotation for I and Q si[...]

154 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Chan Size This field app ears only in IS-2000 Code Domain measurement s. The size reflec ts its location in the W alsh set, with 1 indicating that there is only one cha nnel included. By comparison,[...]

Chapter 5 155 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Controls Code domain analyzer settings are arranged into several menus that are acces sed using t he Cont rols field. The co ntrol gr oups are: • Main accesses t he RF In/An t , Tu n e F r e q (or RF Channel) , Measurement , and Anal yzer f[...]

156 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Data Rate This field allows receiver testing at data r ates of 9.6 or 14.4 Kbps. If the data buf fer is the selected data sou rce, and the data rate is chan g e d , the t ran smis sio n sta te wi l [...]

Chapter 5 157 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Data Source This f ield sel ects where the baseband qua drature spreader get s its data. This field is removed when the Gen Mod e field is set to Noise . • Zeroes uses a data str e am of all 0’ s t hat is not e ncoded before bei ng applie[...]

158 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Even Sec In This field controls the inter nal connection o f the EVEN SECOND SYNC IN connector to the CDMA analyzer or generator . • When Enable is selected, signals applied to the EVEN SECOND SYN[...]

Chapter 5 159 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Gain This fi eld s ets t he IF gain of the CDMA analyzer for rho, EVM, and channel power meas urements. ( Range: 0 dB to 36 dB i n 6 dB steps. ) Gain is adjusted two way s: • Auto measures the sig nal level and automatica lly adjusts the ga[...]

160 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Gen Mode This fiel d selects the type of mod ulation informat ion sent to the CDMA generato r ’ s IQ m odulator . • Data al lows dat a to be tr ansm itt ed to sim ula te a traff ic chan nel with[...]

Chapter 5 161 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Input Atten This fiel d controls the RF attenuators o f the T est Set. If an ADC Overdriven message is di splayed at t he to p of the s creen while making measurement s, increa s e the attenuator sett ing until the mess age is no longer disp [...]

162 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements I Power Level This IS-2000 Cod e Domain display field shows the power of the currently sele cted I (in the top bar graph) W alsh code. Screens on which this f ield is present COD DOM (Code Domain An[...]

Chapter 5 163 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Meas Order This fiel d is displayed in the Code Domain Analyzer , IS-2000. The Measurement Order is the way in which the W alsh channels are s hown on the scr een. Se lect Bit Reversed to show channels gro uped according to thei r W alsh orde[...]

164 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Ofs T rnsfer IS-95 on ly . This field t ransfers the time offset value from the time off set measurement ( displayed in TmOfs ) to the T ime Off set field automatically . Before selecting Ofs Trnsfe[...]

Chapter 5 165 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Phse This f ield dis plays the res ults of the code domain ph ase measurement. This fiel d is displayed on the CODE DO M screen when the Measurement fi eld is se t to Phase . For more informat ion about the code d omain phas e measurement see[...]

166 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements PN Offset or PN Ofs This measurement display field (PN Offset) is displayed on the CDMA ANAL YZER and CDMA GENE RA TOR screens when Rho measurements are selected . If the PN Offset measurement is no[...]

Chapter 5 167 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Pwr Intvl This fiel d determines the length of the data block when measuring average p ower . The data block is a time record over wh ich correl ate d measurements are computed. Range: 0. 25 to 15.0 ms Screens on which this field is present C[...]

168 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Pwr Zero Selecting t his field c alibrates (zeroes) the average power meter . This operation should be perfo rmed imm ediately be fore making an average power measurement. This field is only displ a[...]

Chapter 5 169 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s field o n the CODE DOMAIN ANALYZER screen. • Ampl Mid qualifies a trigger each tim e the input to the CDMA analyzer ri ses above − 12 ADC FS. • Ampl Hi qualifies a t rigger each ti me the input to the CDMA analyzer ri ses above − 6 AD[...]

170 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements RF Channel The RF Channe l field is displayed when t he RF Displ ay field o n the INSTRUMENT CONFIGURE screen is set to Chan . This field dis plays the current channel number . Channel tuning elimin[...]

Chapter 5 171 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Sprd Fact (Spread Factor) Thi s se lecta ble IS-2000 Code Domain field shows the spread fa ctor (W alsh set) of the cur rently selected channel. The s pread fa ctor represe nts the nu m ber of W alsh channels available if all channels use thi[...]

172 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements Ti m e For IS-95 Code Domain measurements only . This field dis pl ays the results of the cod e domain timing measurement. This field is displayed on t he C O D E DO M scr een men u w hen th e Meas [...]

Chapter 5 173 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s T ime Offset This fiel d allows you to manually enter a time offset. To obtain a value to enter in this field you must make at leas t one of the fol lowing measurements. • Power •T i m i n g •P h a s e •R h o After maki ng the measure[...]

174 Chapter 5 C:SpkRefR efGuideR evECdm ascrnE2. fm CDMA Meas ur em ents - S cree ns and Con tro l Fi el ds Control Fiel ds fo r CDMA Measur ements T rig Event This field det ermines when the trigger event to the analyzer occurs. When the se lected trigger in t his field is qual ified by the selec tion in the Qual Event field, the analyzer is t[...]

Chapter 5 175 CDMA Mea sure men ts - Screens an d Control F ields Contr ol F ields for CDMA Measu re ment s Wa l s h C h a n This field se lects the W alsh channel to which to move the mark er (IS-95 only mode ). The marker can be mov ed by ei ther entering the Walsh channel number using the keypad, or by using the curso r-c ontrol knob. Screens on[...]

177 6 Analog Measur ements - Screens and Cont r ol Fields[...]

178 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds • “AC Control” on page 179 • “AM Depth Measurement” o n page 179 • “AF Freq Measurement” on page 180 • “DC Level Measurement” on page 180 • “Distn (Distorti on) Measurement” o n page 181 • “Frequency Meas ur[...]

Chapter 6 179 Analog Mea su remen ts - Screens and Contr ol Fiel ds Analog Mea suremen t s Analog Meas urements AC Control The type of measur ement shown is d ependent on th e AF Anl In settings . A C Level is displayed when the AF Anl In field i s se t to S SB Demod , Audio In , Ext Mo d , or Audio O ut . The AC Level measurement field di splays e[...]

180 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Analog Meas urements AF Freq Measurement The AF frequency measur ement is the aud io frequency of t he signal present at the input s elected in the AF Anl In fi eld (o n th e AF ANA L YZER s cr ee n ). Fo u r da s hes ( - - - -) i ndic a te [...]

Chapter 6 181 Analog Mea su remen ts - Screens and Contr ol Fiel ds Analog Mea suremen t s Distn (Distortion) Measure ment This measure men t field displays t he percent of distor tion for an audio signal to ne. See “SINAD, Distortion, SNR, AF Freque ncy , DC Level,” on page 57 for more inf ormation. Operating Considerati ons Set the Notch Freq[...]

182 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Analog Meas urements Frequency Measurement This measurement fiel d displays the center frequency the signal being measured. Operating Considerati ons This measure ment cannot be used fo r measuring CDMA signals; use the CDMA analyzer. Screen[...]

Chapter 6 183 Analog Mea su remen ts - Screens and Contr ol Fiel ds Analog Mea suremen t s TX Power Measurement T ransm itter power meas ures RF power at the RF IN/ OUT port. Operating Considerati ons Only the RF IN/OUT port can be us ed for measur ing TX power . When the Input Port is set to Ant , f our dashes (- - - -) appear in pla ce of digi ts[...]

184 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Analog Meas urements SINAD Measurement SINAD is the meas ure of th e ratio of the signal+noise+distor tion to the noise+di stortion pro duced at the o utput of a receive r that is the result of a modul ated signal input. This ratio is expres[...]

Chapter 6 185 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Control F ields for Analog Measurem en ts #Pts This f ield set s the number of point s to define or edit on the spec trum analyzer ’ s mask. Y ou can define up to 15 points on the mask. See “Using t he Spectrum Analyzer M ask” on page 11[...]

186 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements AF Cnt Gate Audi o fr eque nc y c ou n ter g at e spe ci fie s how long the A F counter samples the signal before d isplaying the frequency . Specifying a shor ter gate time may en able you to see frequ[...]

Chapter 6 187 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements AFGen1 T o This fiel d has two subfields : • The upper f ield s ets the des tination port fo r audio frequency generato r 1 • FM -RF genera tor FM modulato r • AM -RF ge nera tor AM modu lat or • Audio Out -A UDIO OU T con nect or • [...]

188 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements AFGen2 T o This field has two sub fiel ds: • The upper f ield s ets the des tination port fo r audio frequency generato r 2 • FM -RF genera tor FM modulato r • AM -RF ge nera tor A M modu lat or ?[...]

Chapter 6 189 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Amplitude This fiel d adjusts the a mplitude of the RF generato r. See for Att en Hold (bel ow) for more informat ion. Screens on which this f ield is displayed RF GENERA TOR SPEC ANL: RF genera tor controls menu Atten Hold Attenuator hold pre[...]

190 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Audio In Lo This field set s the AUDIO IN LO connector ’ s state. • Gnd causes the center pin of the connector to be connected directly to chas sis groun d. • Float isolates t he center pin of the[...]

Chapter 6 191 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Auto Zero This fiel d is displayed for average power measurements. Auto is us e d to auto ma tic a ll y ze ro the T X po w e r mea sur e men t periodically d uring operation. Manual is used to overri de the Aut o feature. When Manual is s ele [...]

192 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Controls The spectrum analyzer and os cilloscop e settings are arranged in several menus that are acces sed using the Controls field. A list of menu options is displa yed when th e controls field is se [...]

Chapter 6 193 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Detector This setting selec ts the type of detector used when measuring an d displaying AF signal levels. Detector T ypes • RMS displays the root mean square (rms) value of signals. • RMS*SQRT2 displays the rms value of a signal multipli e[...]

194 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Edit Mask This field sel ects w hich limits t o set or edit on the spectrum analyzer ’ s mask: Upper or Lower . T o change t he mask use the Ed itPt and #P ts fields. See “Using t he Spectrum Analyz[...]

Chapter 6 195 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Ext Load R External loa d resistance i s used to calculate and disp lay AF powe r. Power i s ca l c ul a t ed using t h e vo l t ag e mea su r e d at th e A UDIO IN connections and the resistanc e value you ent er into this field. This fiel d [...]

196 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Filter 2 This fiel d selects an audio frequenc y filter whic h can be used to condition the aud io signal before it is analyzed by t he audio freque ncy analyzer . The following filter ch oices are avai[...]

Chapter 6 197 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Freq (Delta Mrkr) Marker frequency ( Delta Mrk r Freq ) displ ays the differenc e between the freq uency at delta marker and the frequency at th e reference marker on the spectrum analyzer . This measurement is dis played when the Norm/Del ta [...]

198 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Freq (normal marker) Marker frequency ( Marker Fr eq ) displays the frequency at t he marker ’ s present position on the spec trum analyzer when the Norm/Delta field on the Marker controls menu i s se[...]

Chapter 6 199 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Gain Cntl AF analyzer gain control specifie s whether the AF analyzer’s gain setti ngs ar e con tro lle d auto mat ical ly by AF auto rang ing ( A uto ), or b y manual control ( Hold ). The following settings are affect ed by AF autoranging:[...]

200 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Input Atten Input a ttenuation sets t he am ount of input attenuatio n for the RF IN/OUT a nd ANT IN co nnectors. This function cont rols two settings: • The upper f ield determi nes if you want the i[...]

Chapter 6 201 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Input Port This fiel d selects the RF IN/OUT or ANT I N port f or making RF meas u r eme n ts. The R F IN/O U T p o rt m ust b e us ed fo r makin g TX power measur ements. Operating Considerati ons If the RF power at the RF IN/OUT port exc eed[...]

202 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Level (div) This control is divided into two subfield s: The upper sub fiel d ( 0.00 ) sets the interna l trigger level as a function of vertical d ivisions. The trigger level is indicated by small poin[...]

Chapter 6 203 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Lvl (marker) This measure men t field displays t he signal level of the signal at the current mar ker positio n on the oscilloscope. Operating Considerati ons The unit-of-meas ure for this field is dep endent on the sourc e of the signal being[...]

204 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Lvl (Ref Mrkr) Marker level ( Ref M rkr Lvl ) displays t he level at the reference marker ’ s present position on the spec trum analyzer . This marker i s displayed when the Norm/Delta field on the Ma[...]

Chapter 6 205 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Marker T o These two fields positio n the spectrum analyzer ’s marker as fol lows: • Peak moves the mark er to the highest pe ak and enters the location in the Position field. • Next Peak moves th e marker to the nex t peak to the right [...]

206 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Mod In T o This modulati on input field defines how an e x ternal mod ulation source is used wit h the RF generator. Two fields are used: • The upper f ield determi nes wheth er the ANALOG MODULATION [...]

Chapter 6 207 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Normalize This area perfo rms three display ope rations: • Save B sa ves the curr ently d isp layed tra ce fo r the A-B operation. • A Only provides a continuou sly updated dis play (the “normal” mode of oper ation). • A-B displays t[...]

208 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Notch Freq This fiel d sets the center frequency for the variable frequency notch filter . It is typically used for distortion and SINAD measurements at frequencies below or above the standard 1 kHz not[...]

Chapter 6 209 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Output Port This fiel d selects the RF generator ’ s output port. High er RF generator levels are availa ble at the DUPLEX OUT port than at the RF IN/OUT port. Operating Considerati ons CAUTION Appl ying reve rse R F powe r to th e DU PLE X [...]

210 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Port/Sweep This control perfo rms two functions: • The upper f ield s pecifies the output port of the track ing generat o r. • The lower field specifies whether the tracking generator sweeps f rom l[...]

Chapter 6 21 1 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Pos/Neg See “Level (div)” on page 202 Ref Level Reference l evel sets the amplitude reference level f o r the top line o f the display . All signals displayed are referenced to this line. Operating Considerati ons The unit-of-measu re for[...]

212 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Reset Reset re triggers the measurement when Single triggering is select ed. See “Cont/Sin gle” on page 192 . Screens on which this f ield is displayed SCOPE: trigg er controls menu RF Channel The R[...]

Chapter 6 213 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements RF Gen Freq This fiel d sets the RF generator ’ s frequency . This field is disp layed on th e screens lis ted bel ow when the RF Display field on the I NSTRUMENT CONFIGURE scr een is set to Fre q . Screens on which this f ield is displayed [...]

214 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Scope T o This fiel d selects the signal s ource for t he oscilloscope. Th is allows you to bypass certain sections of the AF analyzer’s circuitry when viewing and measuring a signal. It also allows y[...]

Chapter 6 215 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Sensitivity (spectrum an alyzer) This area perfo rms two functions: • The lower f ield s elects t he vertical resolut ion of the display . Y ou can choose f rom 1 dB, 2 dB, or 10 dB per graticule. • The upper f ield selec ts Normal or High[...]

216 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Span Sets t he span of fre quenci es to be displayed on the screen. Operating Considerati ons When the t racking generator is used, the span als o defines t he frequency sw eep range. Spans >1 .5 MH [...]

Chapter 6 217 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements Squelch This setting determines the squelch operat ion when demodulating FM, AM, or SSB signals. Three settings are available: • Pot uses the front-p anel SQUELCH knob for squel ch level adjustme nt. • Open disables squelch operati on. •[...]

218 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements Ti m e This measure ment displays the time elapsed from the trigger poin t to the c urrent marker pos ition. The Ref Set function c an be used with this measurement to display time relati ve to a spec i[...]

Chapter 6 219 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements T rig -Delay The trigger delay is used to specify the ti me relatio nship between the trigger and displayed signal. • Positive values delay the measurement trigge r by a specific p eriod. The delayed trigger point is the lef t edge of the sc[...]

220 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements T une Freq This field is disp layed when the RF Displa y field on t he INSTRUMENT CONFIGURE screen is set to Freq . RF analyzer tune frequenc y sets the center frequenc y for the RF signal to be anal y [...]

Chapter 6 221 Analog Mea su remen ts - Screens and Contr ol Fiel ds Control Fields for Analog Measurements TX Pwr Zero The transmitter power zero functio n establishes a 0.0000 W reference for me asuring RF power at the RF IN/OUT port. Operating Considerati ons When power is applied to the RF IN/OUT connector, the temperature of the i nternal circ [...]

222 Chapter 6 C:SpkRefRe fGuideRevE Anlgscrn. fm Analog Meas ur em ents - S creens and Contro l Fi el ds Control Fields for Analog Measurements V ert O ffset V ertical offs et moves the displayed signal a bove o r below the oscillos cope’ s fixed centerline . Operating Considerati ons A centerline is displ ay ed for the signal when an offset [...]

223 7 Configuration - Screens and Control Fields[...]

224 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields • “Con f igu ri n g the In strum ent ” on p age 225 — “Setting t he Date and T ime” on page 225 — “Changing the Beepe r’s Vo l ume” on page 225 — “T urning Off User Mess ages” on page 225 • “Con f igu ri n g for P r i nti[...]

Chapter 7 225 Configur ati on - Screens an d Control F iel ds Configuring the Instrument Configuring the Ins trum ent Setting the Date and Time The T est Se t has a built-in cloc k that k eeps t rack of the date and tim e. It is powered by an internal battery to ke ep it operating when the instrument is off. T o set the date an d time Step 1. Acces[...]

226 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Configuring for Pr inting A Screen Configuring for Printin g A Screen Printing a Screen NOTE Throughout this man ual, the terms “GPIB” and “HP-IB” are used interchangeably . Step 1. Connect a pri nter to t he appropriate connector ( SERIAL 9 ,[...]

Chapter 7 227 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Control F ields on the Configu ration Screens Abort Print Sele c t this fie ld to int err u p t the p ri nt i n g job i n pr o gre ss. Abort Print is not dir ectly program mable over the GPIB. Scre en(s ) Wher e Fiel d is Pr esent PRINTER CONF[...]

228 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Base Freq (User Defined) The base frequency field sets t he RF generator reference for channel 0 (zero) whe n t he RF Chan St d field is se t to USER-DEF , a nd the RF Display field is set to Cha n . Channe[...]

Chapter 7 229 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Scre en(s ) Wher e Fiel d is Pr esent INSTRUM ENT CONFIGU R E Call • Originate places a call using the dialing sequence entere d in the Number t o Call field. This field is inactive when the Modem Mode fiel d is se t to Disa ble . • Discon[...]

230 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens “Code Domain Measurements – IS-2000” on page 142 Scre en(s ) Wher e Fiel d is Pr esent INSTRUM ENT CONFIGU R E[...]

Chapter 7 231 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Command Escape Char acter This fiel d allows you enter a one-character , non-p rintable escape character to define your own escap e command seque nce. The Decimal Eq uivalent of the escape char acter is display ed to the right of the entr y. T[...]

232 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Date This fie ld spec ifies t he current date f or the i nternal clock. The date can be read by a controller using GPIB and printed on test results. The format is MMDDYY (Month Day Y ear), using two digits [...]

Chapter 7 233 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Ext Ref In This fiel d selects the ref erence frequenc y of the signal at the EXT REF IN connecto r . Y ou can select 1, 2, 5, or 10 MHz; 1x, 2x, 4x, 8x, or 16x chip . Operating Considerati ons This signal is us ed as a referen c e f or, and d[...]

234 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Flow Control The flow control fiel d is used when sending o r rece iving serial data. • None disables the Xon/Xoff function. • Xon/Xoff lets the T est Set “talk /listen” to the t ransceiver to al te[...]

Chapter 7 235 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens (Gen)-(Anl) This fiel d is used with the RF Offset field to specify the amount of frequency offset b etween the RF generat or and RF analyzer . This field i s alway s dis pla yed w hen the RF Displ ay fiel d is s et to Freq . See “Setting an[...]

236 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens GPIB Adrs This field is us ed to display and c hange the GPIB address of the T est Set. Operating Considerati ons The address c an be set from 0 to 30 by using the D A TA keys, or by pushin g and th en turn[...]

Chapter 7 237 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Incoming Call Security This fiel d controls the usage of a password secu rity challenge. • Off - no password chal lenge on connectio n • On - issue s a p ass word cha llen ge o n conn ecti on. The u ser mus t enter a password. The p asswor[...]

238 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Model This field is us ed to specify the type of printer used. I f your printer is not l isted in the Ch oices menu when you select this field, configure your print er to emulate one of those that is listed[...]

Chapter 7 239 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Modem Initialization/Confi guration This fiel d is used to enter configuration strings for the modem. It is a three-line field. Each string has a maximum of 40 characters . Blank lines will be skipped. This setting is retained when the ins t r[...]

240 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Notch Coupl This field sel ects if the Notch Fr eq setting of the AF ANAL YZER screen is coupled t o the AF Gen1 Freq setting. When set to None , the notch filter and AF generator 1 do not interac t. Whe n [...]

Chapter 7 241 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Password This fi eld is use d to ent er the pas s word needed to veri fy a ccess f or incoming calls when the Incoming Call Sec urity field is s et to On . The maximum numbe r of characters is 8 cha racters ( no spaces are allowed). Operating [...]

242 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Range Hold These fields enable/dis able severa l autoranging. Auto All enables these routines, providing automatic adjustment when making AF or RF measurements. Hold All disables these routines , requiring [...]

Chapter 7 243 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Ref Select This f ield sel ects the timebase refere nce signal t o use for ge nerating and analyzing signals. • Auto automatically select s an external referenc e if a signal of suffici ent level is detected at the EXT REF IN. • Internal u[...]

244 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Retries This fiel d sets the number of c alls th at will be tried befo re an origination attempt i s t erminated. The total number of tries will be the numb er e n te red in th i s fiel d, pl u s on e fo r [...]

Chapter 7 245 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens RF Display This fiel d selects the format for entering the RF generator ’ s and RF analyzer ’ s frequencies : • When Freq is selected, you ente r the RF generator ’ s and the RF ana lyzer ’ s f requ enci es dir ect ly us ing th e ke [...]

246 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens RF In/Out This field is used to indicate losses o r gains betwee n the RF IN/OUT port and the devic e-under -test. •E n t e r a positive value t o indicate a gain (suc h as an amplifi er g ain). When the [...]

Chapter 7 247 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens RF Offset This fiel d is displayed when the RF Displa y field is set to Freq . This fiel d enables/disables t he RF generator − RF analyzer frequency offset specifi ed in the (Gen)- (Anl) field below it. Operating Considerati ons When an RF [...]

248 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Serial Baud This field sel ects the baud rate for serial communi cations when using the seri al por ts. Selecting thi s fie ld displays a li st of baud rate ch oice s. This setting is maintained aft er the [...]

Chapter 7 249 Configur ati on - Screens an d Control F iel ds Control Fields on t he Configuration Screens Serial Port This f ield sel ects the serial port. The S E RIAL 9 p ort must be used for serial p rinting. SERIAL 1 1 is r eserved for use with s pecial software that enables remote opera tion through a PC. For more informatio n about the se ri[...]

250 Chapter 7 C:SpkR efRefG uideRevEC nfgsc rn.fm Config uration - Screens and Contr ol Fields Control Fields on th e Configuration Screens Ti m e This fie ld se ts t he ti me- of-da y for th e i nstru me nt’ s 2 4 ho ur clock . (Example, 4: 53 PM is entered 16: 53 ) Operating Considerati ons The internal clock stil l functions when the ins t[...]

251 8 Signaling Encoder and Decoder - Screens and Control Fields[...]

252 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Signaling Encoder and Decode r Screens Sign aling En coder and De coder Scree ns The Decoder ’ s Signal Source The decoder always gets its sig nal i mmed iately a fter the de-e mphasis network of the AF analyzer . De-emphasis can be [...]

Chapter 8 253 Signal in g Encode r and Decoder - Screens an d Control F ields AMPS-T ACS, NAMPS-NT ACS Encoder and Decoder AMPS-T ACS, NAMPS-NT ACS Encoder and Decoder The following signaling f o rmats are available for this decoder . • AMPS = Advanced Mobile Pho ne Service. • NAMPS = Narrowband Adva nced Mobile Phone Service. • T ACS = T ota[...]

254 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields AMPS-T ACS, NAMPS-NT ACS Encoder and Decoder AMPS-T ACS, NAMPS-NT ACS Decoder The AMPS-T ACS, NAMPS-NT ACS decoder acts like a base station receiver b y analyzing Reverse Control Channel (RECC) and Reverse V oice Channel ( R VC) m essa[...]

Chapter 8 255 Signal in g Encode r and Decoder - Screens an d Control F ields AMPS-T ACS, NAMPS-NT ACS Encoder and Decoder Figure 8 -1 Decodi ng the Reverse Control Channel (RECC) Da ta Figure 8 -2 Decoding the AMPS- T ACS Revers e V oice Channel (R VC) Data amps-de2.wmf amps-de3.wmf[...]

256 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields AMPS-T ACS, NAMPS-NT ACS Encoder and Decoder NAMPS-NT ACS Reverse V oice Channel Measu re ments Three types of R VC infor mation can be decoded; selected using the Measure field. See Figure 8-3 . Figur e 8- 3 Meas u re F iel d • DSAT[...]

Chapter 8 257 Signal in g Encode r and Decoder - Screens an d Control F ields AMPS-T ACS, NAMPS-NT ACS Encoder and Decoder Figure 8-4 Decoding NAMPS-NT A CS Re verse V o ice Ch annel (R VC) Data nmps-de2.wmf[...]

258 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields DTMF Sequence Encoder and Decoder DTMF S equence Enc oder and Decoder The DTMF sequence enc oder create s dual-tone multi-frequen cy tone sequences of variable frequency , amplitude, and dura tion. It’ s signal can be us ed to modul [...]

Chapter 8 259 Signal in g Encode r and Decoder - Screens an d Control F ields Function Generato r Encoder and Decoder Funct i on G ene rator Encoder an d Decode r The function generato r provides single -t one audio frequency signals of various waveforms, amplitudes, and fre quenci es. Its signal can be used to mod ulate the RF generator, or it can[...]

260 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Control F ields for the Signalin g Encoder and Decoder AF Anl In See “AF Anl In” on page 185 AFGen2 T o See “AFGen2 T o” on page 188 Arm Meas Arm meas ure men t pr epa res t[...]

Chapter 8 261 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Busy/Idle This fi eld sel ects the busy/id le status informat ion to be included in the signaling sequence. • Idle sets the bus y/idle bit s of the f orward cont rol channel information to indi cate an idle state. •[...]

262 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Data Level This setting determines the signal le vel change that oc curs when a logical high (1) or low (0) is output. The unit-of- measure used dep ends on the AFGen2 To setting. T[...]

Chapter 8 263 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder DSA T The signaling encoder ’ s DSA T: field is displayed only wh en t he Mode fiel d is se t to NAMP -NTAC and the Channe l field is se t to Voice . This field is used to set one o f th e 7 valid DSA T sequences to b[...]

264 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Filler (FOCC) Figur e 8- 5 Each Filler field contains 7 he xadecimal charact ers representing the 2 type bits and 26 informati on bits of the cont rol fille r/message word. The dott[...]

Chapter 8 265 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Frequency This measure ment displays t he decoded sig nal’ s frequency . Screen s W h er e F ield is Pr es e nt SIGNALING DECODER (Modes: Func G en) Gate Time This fi eld specif ies how long the decoder analyzes a sig[...]

266 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Input Level This field sp ecifies t he expected data sig nal lev el (aft er de- emphasis i f used). The higher the level of si gnal expected by the analyzer , the higher th e trigge[...]

Chapter 8 267 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Examples of Input Level Settin g s Example 8-1 E xample 1 Peak deviation 3 kHz, De-emphas is off. Set the input level to 3 kHz. Example 8-2 Example 2 Peak deviation 3 kHz, De-e mphasis 750 ms. Set t he input level to 3 [...]

268 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Message (FOCC) Figure 8-6 AMPS-T ACS/NAMPS-NT ACS FOCC Message and Filler Data Format Messa ge st ream s A and B spec ify va rious forwa rd con trol chann el paramete rs. Operating [...]

Chapter 8 269 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Message (FVC) (AMPS-T ACS) Figure 8-7 AMPS-T ACS FVC Message Data Output Format This des cripti on applies to the AMPS-TACS mode. The 7 hexadecimal cha racters of the FVC Message field repr ese nt the 2 type bits a nd 2[...]

270 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Message (FVC) (NAMPS-T ACS) Figure 8-8 NAMPS-NT ACS FVC Message Data output Format This descri ption a pplies t o the NAMP-NT AC m ode. The 7 hexadecimal charac ters (28 bits) of th[...]

Chapter 8 271 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Mode This fiel d is used to choose which of the T est Set’ s Decoder screens to displ ay . Func Gen DTMF AMPS-T ACS NAMP- NT AC Screen s W h er e F ield is Pr es e nt SIGNALING D ECODER (All Modes) SIGNALING ENCOD ER [...]

272 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder On Time For the encod er , this field se ts the length of time each DTMF tone is on during the se quence. For the decoder , this measurement col umn lists the length of time each to[...]

Chapter 8 273 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Pre-Emp This fiel d determines whether the encoder ’ s signal passes thro ug h or bypasses t he 750 ms pre-emphas is network. Pre-emphasis may be requ ired wh en te stin g some FM re ceive rs. Pre-emphasis , when used[...]

274 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Send Selecting t his field c auses the FVC or FOCC mes sage to be output. Operating Considerati ons When send ing an FOCC message stream, the c ontents of the Fille r are conti nuou[...]

Chapter 8 275 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Send Mode This f ield sel ects the mode used when Send is selected to output th e message. • Single outputs the entire message onc e. • Burst outputs the Message the number of t imes specified in the Bursts fi eld. [...]

276 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Standard This field specif ies the standard for the signal being tested. Decoder Operating Consider ations This setting alte rs the decoder ’ s funct i on by specifyin g the expec[...]

Chapter 8 277 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Stop DSA T (FVC) This fiel d is available only in NAMP-NT AC mode. Selecting t his field s tops the d igital superv isory audio tone. Screen s W h er e F ield is Pr es e nt SIGNALING ENCOD ER (Modes: NAMP-NT AC) Stop Fi[...]

278 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder T rig ger Pattern (bin) This field allows you to enter a specific bit pattern to fil ter displayed information. The decoder only dis plays the rec eived data when t his binary p att[...]

Chapter 8 279 Signal in g Encode r and Decoder - Screens an d Control F ields Control Fields for the Signaling Encoder and Decoder Tw i s t T w ist is the ratio of ampl itud es (in dB) between the high frequen cy and low frequenc y tone in each DTMF pair . A posit ive value indicat es a higher amplitud e for the hi gh frequency t ones. A negative v[...]

280 Chapter 8 C:SpkRe fRefGuideRe vEEnc-dec. fm Sign aling En coder a nd Decoder - Screens and Control F ields Control Fields for the Signaling Encode r and Decoder Example 8-6 Example 4: 3 kHz deviation, T wist 2.5 dB, Pre- emphasis on. If sending a 1 (697 Hz low t one and 1209 Hz high tone), the high tone’ s deviation is 1. 334 (see “Exam[...]

Chapter 9 281 9 Connectors Alphabet ical Listing of “Connectors” on page 28 2 .[...]

Connectors Connectors Chapter 9 282 Connectors 10 MHz REF OUT This connector furnishes a 10 MHz reference for external instruments. Operating Conside rations W avefor m = sin ewa ve Output freque ncy = 10 MHz Output l eve l >0.5 V rms Output imp edance appr oximate ly 50 Ω . NOTE The ref erence out put freq uency is always 10 MH z, independent[...]

Connecto rs Connectors Chapter 9 283 ANT IN The ant enna input i s used f or analyzing low-pow er RF signals ( ≤ 60 mW), and is t ypically used for off-the-air me asurements. This port can be selected in the RF ANAL Y ZER, SPEC ANL, CDMA AN ALYZER, or CODE DOM screens. CAUTION Connect ing a s ignal of >60 mW (17.78 dBm) to the ANT IN port can [...]

Connectors Connectors Chapter 9 284 AUDIO IN T wo connecto rs are used to in p ut aud io sig n al s to the AF analy ze r: • HI is the main audio sign al input connect ion. • LO is used f or the au d io sig na l refere nce. Three choice s are availa ble us in g th e AF ANAL YZER screen’ s Audio In Lo field: • Gnd co nnects the center p in th[...]

Connecto rs Connectors Chapter 9 285 AUDIO OUT This po rt is used t o output sig nal s from au d i o f r eq uency ge n e rat o r s 1 and 2. Operating Conside rations The output level is se t by the AF gener ators and is n ot af fected by the front-pane l VOLUME control. Output i m peda nce <1 Ω Maximum output current = 20 mA pe ak Maximum rev [...]

Connectors Connectors Chapter 9 286 D ATA I N This con nect or pr o v id es a da ta i n put to th e CD M A gene rat or . Operating Conside rations Input level = TTL Inpu t imp eda nc e = 5 0 k Ω Data Rat e = 1. 2288 M cps DUPLEX OUT This connector is an output for the RF generator , CDMA generator and tracki ng generator . Operating Conside ratio[...]

Connecto rs Connectors Chapter 9 287 EXT REF IN This connector allows you t o input an external reference. The reference frequency is selec te d usi ng t h e Ext Ref In field o n the INSTRU MENT CONFIGURE screen. Operating Conside rations Input f requency = 1, 2, 5, 10, o r 15 MHz; 1x, 2x, 4x , 8x, or 16x chip Input le vel >0.15 V rm s Input imp[...]

Connectors Connectors Chapter 9 288 EXT SCOPE TRIG IN This con nect or pr o v id es an exte rn al os cillo scope’s trigger input. Operating Conside rations Input thresh o ld ap p r o xi m ate ly 2. 5 V Maximum Input le vel ap prox imat el y 20 V peak Inpu t imp eda nc e is : • 100 k Ω for sign als ≤ 5 .6 V peak •5 k Ω for signal s >5[...]

Connecto rs Connectors Chapter 9 289 P ARALLEL 15 This po rt is u s ed w it h prin te rs requiri ng a paral lel interface w hen prin ti ng screen images or test res ults. Set the Printer Port: field (on the PRINTER CONFIGURE screen or TESTS (Printer Se tup) screen) to Parallel to print to this port . Use ad d re ss P ARALLEL_15 when sending data to[...]

Connectors Connectors Chapter 9 290 RF IN/OUT This T ype-N connectio n is use d to outp ut sig nals fro m the RF generator an d to in put RF signa ls. CAUTION Overpower Damage — Refer t o the T est Set’ s connector panel for maximum inpu t power level. Exceeding this level can cause perman ent instrume nt damage. If the RF power at the RF IN/OU[...]

Connecto rs Connectors Chapter 9 291 SERIAL 9, 10, and 1 1 The serial ports ar e used to input and output serial data for entering programs , printing tests res ults and screen ima ges, and s ending te st result s to a connected co ntroller o r terminal. Operating Conside rations The serial communica ti o ns settings are def ined on the I/O CONFIGU[...]

Connectors Connectors Chapter 9 292 field o n the CDMA ANA LYZE R and CODE DOM screen s. If the trigge r is to occur on the TRIGG ER QUALIFIER IN signal, select Delay in the Trig Ev ent field and sele ct a delay of 0 .0 µ s. If the TRIGGER QUALIFIER IN signal is a qualifie r , select a trigge r source in the Trig Event fiel d. For more information[...]

293 10 Accessories, Manuals, Support[...]

294 Chapter 10 C:SpkRef RefGuide RevEAcce ssor . fm Accesso ries, Ma nuals, S upport Modifications Modific ation s The following information can be fo und in the Agilent T echnologies 8935 Assembly Level Repair Manual: • Hardware Up g rades/ Modifications • Firmware U p grades • Power Cable s[...]

Chapter 10 295 Accesso ries, M anuals, S upport Agilent T echnologie s Accesso rie s Agilent T echnologi es Access orie s External Monitor The CRT V ideo Output drives a multisync monitor at 19. 2 kHz (analog). Examples of this type of monitor incl ude the Electrohome ECM 1410-DMS 14-inc h color monitor and the EVM 1242-P4VID 12-inch monochrome mon[...]

296 Chapter 10 C:SpkRef RefGuide RevEAcce ssor . fm Accesso ries, Ma nuals, S upport Agilent T echnologie s Accessorie s Agilent T echnologies T est Softwar e The Radio T est Software pe rfo rms automated tests on radio s used in various radio comm unication system s. Each test packa ge is c ontained on an indivi dual memo ry card. Options T ab[...]

Chapter 10 297 Accesso ries, M anuals, S upport Support for Y our Instrument Support f or Y ou r Inst rument Getting Help If you have pr oblems using this T est Set, and cannot find t he solution in these d ocuments or the Help screens, ple ase use one of the following cont act s: • Y our local or regi onal sales offic e listed in T able 10-5 o n[...]

298 Chapter 10 C:SpkRef RefGuide RevEAcce ssor . fm Accesso ries, Ma nuals, S upport Support for Your Instrumen t T able 10-5 Agilent Re gional Sales and Service Offices United States of America: Agilen t T ec hnologies T est and Measurement Call Center P .O. Box 4026 Englewood , CO 80155-4026 (tel) 1 800 452 4844 Canada: Agilent T echnologies [...]

299 1 1 Er ror Mes sages[...]

300 Chap ter 1 1 C:SpkR efRefGui deRevEE rrormsg. fm Error Me ssag es General Information About Err or Messages General Information Abou t Error Messages Informatio n concerning error messa g es displa ye d by the T est Set may be found in one of the following manuals: • Agilent T echnologies 8935 Pro grammer ’ s G uide • Agilent T echnol[...]

Chapter 1 1 301 Error Mess a ges General Information About Err or Messages Negative Numbered Erro r Messages Negative num bers prec eding the er ror messages text corre spond to the error cond itions outlined in the Standard Commands for Programmable Instrument s (SCPI). For m ore informatio n on SCPI, order the fo llowing book, A Beginner ’ s Gu[...]

302 Chap ter 1 1 C:SpkR efRefGui deRevEE rrormsg. fm Error Me ssag es General Information About Err or Messages GPIB Error Messages NOTE For the purpose s of this documentation, the terms “GPIB” and “HP-IB” may be consi dered one and the same. GPIB Error Messages a r e associated wit h GPIB operation. Refer to the Programmer s Guide f o[...]

Chapter 1 1 303 Error Mess a ges General Information About Err or Messages The Message Display During instrumen t operation, various messages may appear on the T est Set’ s disp lay . Prompt-type mess ages generally appear on the f irst line of the T est Set ’s display . General op er ating a n d err o r me ssag e s us ually appear on the secon[...]

304 Chap ter 1 1 C:SpkR efRefGui deRevEE rrormsg. fm Error Me ssag es General Information About Err or Messages T ext O nly Error Messages Operati on errors generally occur when you try to do something the T est Set was not designe d to d o. Most me ssages tel l you what to do to correct the problem, (tu rn somet hing of f, reduce a field’ s [...]

Chapter 1 1 305 Error Mess a ges General Information About Err or Messages • Input value out of range. A number was enter ed that was too large o r small f or the selec ted field, fo r example, trying t o set AFG1 Freq to 125 kHz. • Invalid keystro k e. Y ou used a key that has no function relating to the selected field, for example, pressing t[...]

306 Chap ter 1 1 C:SpkR efRefGui deRevEE rrormsg. fm Error Me ssag es General Information About Err or Messages • Change Ref Level, Input Port or Attenuator (if using Hold ). The RF signal level is either too great or too small for the curr ent input port, attenuator s etting, or both. This error ofte n occurs when trying to make a low-level [...]

Index Index 307 - - - - mean ing of, s quelch , 217 meaning o f, TX power meas uremen t , 56 meaning o f, TX power mea suremen ts , 183 Symbols # of Fr ames field , 157 #Pts f iel d Spectrum Analyz er screen , 185 % delta key , 44 % key , 44 +/- key , 48 Numeric s 1.23 MHz chann el power , 132 10 MHz REF OUTPUT connector , 282 16 x CHIP CLOCK conne[...]

308 Ind ex Index AF Anl In , 57 oscill oscope inpu t , 120 AM Depth AF Analyzer screen , 179 AM depth measur ements , 57 setting , 187 , 188 AM Depth field RF Analyzer screen , 179 RF G ener ato r scre en , 179 AM depth measurements , 57 AM Mod oscill oscope inpu t , 120 Ampl Hi trigge r qualif ie r , 169 Ampl Lo trigge r qualif ie r , 168 Ampl Mid[...]

Index Index 309 A vg 1-100 field Spectrum Analyz er screen , 206 Av g k e y , 68 Av g P w r f i e l d CDMA Analyz er screen , 131 CDM A Generat or screen , 131 AW G N g e n e r a t o r , 160 B bandwi dth IF filter , 199 bandwidth, spe ctrum ana lyze r , 191 Base Freq field Instrume nt Co nfig ure scree n , 228 base se t t ings changin g , 72 defaul[...]

310 Ind ex Index Channel fi eld Sign alin g Decode r screen , AMPS-T ACS mode , 261 Sign alin g Decode r screen , NAMP-NT AC mode , 261 channe l number s for an al yzer/gener ator frequenc ies , 60 channel po wer calibr ating , 61 , 62 channe l power me asurem ents , 132 channe l spacing , user d efined , 229 channel standard AMPS (MS, LS) , 244 ET[...]

Index Index 31 1 notc h fr eq uen cy , 240 cursor c ontrol kno b increm ent sett ing of , 64 CW RF Path fiel d CDM A Generat or screen , 155 D dashes mean ing of, s quelch , 217 meaning o f, TX power mea suremen ts , 56 , 183 Data (he x) field Sign alin g Decode r screen , AMPS-T ACS mode , 261 Sign alin g Decode r screen , NAMP-NT AC mode , 261 Da[...]

312 Ind ex Index See Also Sig naling En coder screen, Sign aling Dec oder scree n EQ In/Out field , 159 Error Message key , 43 error me ssages , 300 IBASIC echo , 236 operat ion , 304 error vecto r magni tude. See EVM escape cha racters, modem , 231 Est Rh o fi el d Code Domain Analyzer screen , 134 ET ACS channel s tandard , 244 European Call Cent[...]

Index Index 313 Sign alin g Decode r screen , Fun c Gen mode , 26 5 frequency offset , 69 receive r/transm itter , 235 RF generator /analyzer , 235 tracking gener ator , 208 frequency tunin g , 60 , 170 , 245 function g ener ator waveform , 280 Function Gene rator sig naling decoder , 259 See Also Sig naling De coder screen, Func Gen mo de Function[...]

314 Ind ex Index Incr (divide - by)10 key , 64 Incr S et key , 64 Incr x 10 key , 64 increm ent changin g settin g , 64 info rmati on bit s , 26 4 , 269 Input oscill oscope fil t ers , 12 1 inpu t analyze r , 213 audio, 60 0 ohm impedanc e , 190 audio, flo at in g , 190 audio, g rounde d , 190 coupling , 196 gain , 200 RF , 201 spectrum an aly ze r[...]

Index Index 315 triggering , 278 Level ( div) field Oscillo scope scre en , 202 Level (mask) field Spectrum Analyz er screen , 202 limit s indicators , 65 pass/fail , 65 removi ng , 65 setting , 65 Lines/Page field Printer Configur e screen , 237 LISTOPTS , 125 LO indicator , 65 Lo Limit key , 65 Lo T one field Sign alin g Decode r screen , DTMF mo[...]

316 Ind ex Index swep t gain , 83 time offset , 135 transmitter power , 56 , 183 transmitter powe r , peak , 220 transmitter powe r , sample , 220 volt age , 179 memo ry conside rations , 72 total RAM , 250 memory ca rd catalo g , 106 memory o verfl ow err or , 72 mess age beeper al ert , 228 displaying , 225 error , 30 0 IBASIC erro r , 236 operat[...]

Index Index 317 frequency , RF generator/ analyze r , 235 frequen cy , tracking gener ator , 208 RF generator /analyzer , 247 RF level , 246 setting, freque ncy , 69 vertica l, os cillo scope , 203 , 222 Offset Freq (T r acking Gen) fi eld Spectrum Analyz er screen , 208 off-the-air measurements , 201 , 283 Ofs T rnsfer field Code Domain Analyzer s[...]

318 Ind ex Index ppm key , 44 Pre-Emp field Sign alin g Encode r screen , DTMF mode , 273 pre-emphasis bypassin g , 273 preset state changin g , 72 default , 72 print screen s , 226 Print Title field Printer Configur e screen , 241 printer connecting , 241 model , 23 8 Printer Adrs fie ld Printer Configur e screen , 241 Prin t er Con f ig key , 43 [...]

Index Index 319 Sensit ivity f ield , 214 SINAD field , 184 SNR field , 18 4 Squelch fi eld , 21 7 Tu n e F r e q f i e l d , 220 TX Power field , 183 TX Pwr Meas fi eld , 220 TX Pwr Zero field , 22 1 RF Anl key , 43 RF Chan Std field Instrume nt Co nfig ure scree n , 244 RF Channel field CDMA Analyz er screen , 170 CDM A Generat or screen , 170 Co[...]

320 Ind ex Index for osci lloscope , 210 scie ntifi c nota tion enter ing numbers , 48 scope hor iz ont al sw eep , 218 level , mark ers , 203 mark ers , 203 vertic al offset , 222 Scope ke y , 43 SCOPE MONITOR OUTPUT connector , 290 Scope T o field AF Analyzer screen , 214 scope . See os cillos cope. scre en d um p , 226 scree ns printing , 226 SE[...]

Index Index 321 Mode f ield , 27 1 Polarity field , 272 SA T Freq field , 273 SA T Leve l (FVC) fi eld , 273 Send DSA T field , 274 Send fiel d , 274 Send Fil ler fiel d , 274 Send Mode field , 275 Standard field , 276 Status fi eld , 276 Stop f ield , 276 Stop F iller field , 277 Signaling En coder scre en, DTMF mode AFGen2 T o , 188 Bursts field [...]

322 Ind ex Index Norm alize fi eld , 207 Offset Freq (T racking Gen) field , 208 Output Port fie ld , 209 Pk Hold field , 206 Port/Sweep (T ra cking Ge n) , 210 Ref Level field , 21 1 RF Gen Freq field , 213 RF In/Ant field , 213 Save B field , 207 Sensit ivi t y fie ld , 21 5 Span field , 216 Tr a c k / F i x e d f i e l d , 218 Spectrum Ana lzyer[...]

Index Index 323 zero refere nce , 221 tria ng le wave , 280 Tr i g E v e n t f i e l d CDMA Analyz er screen , 174 Code Domain Analyzer screen , 174 T rig L e vel field Sign alin g Decode r screen , AMPS-T ACS mode , 278 Sign alin g Decode r screen , NAMP-NT AC mode , 278 T rig-Delay field Oscillo scope scre en , 219 T rigger fie ld Code Domain Ana[...]

324 Ind ex Index data source , 157 zeroing dc bias , 196 power meter , 221[...]