Anritsu MU368060A инструкция обслуживания

Document No.: M-W1955AE-4.0 ANRITSU CORPORA TION MU368060A A WGN Unit Operation Manual Fourth Edition • Read this manual before using the equipment. • T o ensure that the equipment is used s afely , read the "For Safety" in the MG368 1A Digit al Modula- tion Signal Generator Operation Manual first. • Keep this manual w ith the equip[...]

ii MU368060A AW G N U n i t Operation Manual 1 August 2001 (First Edition) 1 December 2003 (Fourth Edition) Copyright © 2001-200 3, ANRITS U CORPORA TION. All rights re served. No part of this manual may be reproduced with out the prior written permission of the publisher . The contents of this man ual may be changed without prior noti ce. Printed[...]

iii Equipment Certificate Anritsu Corporation certifies that this equipment was tested before shipment using calibrated measuring instruments with direc t traceability to public testing organ izations recognized by nat ional research laborato- ries including the Na tional Institute of A dvanced Industria l Science and Technology, and the Communi ca[...]

iv Notes On Export Management This product and it s manuals may requi re an Export Lice nse/Approval by the Government of the product's country of origi n for re-export from you r country . Before re-exporting the product or ma nuals, please cont act us to confirm whether they are export -controlled items or n ot. When you dispose of export-co[...]

v CE Conformity marking Anritsu affixes the CE Conformity ma rking on th e following product (s ) in accordance with the Council Dir ective 93/68/EEC to indicate that they conform with the EM C and LVD directive of the European Uni on (EU). CE marking 1. Product Model Plug-in Units: MU368060A A WGN Unit 2. Applied Directive and St andards When the [...]

vi C-tick Conformity marking Anritsu affixes the C-tick marking on th e following product (s) in accor- dance with the regulation to indic ate that they conform with the EMC framework of Austral ia/New Zealan d. C-tick marking 1. Product Model Plug-in Units: MU368060A A WGN Unit 2. Applied Directive and St andards When the MU368060A A WGN Unit is i[...]

I About This Manual This operation m anual offers an overview, sampl e measurement an d re- mote control of the MU368 060A AWGN Unit. The MU368060A AWGN Un it is mounted to the MG3681A Digit al Modu- latio n Signa l Gene rator. represents a panel k ey. The "MG3 681A Dig ital M odulation Signal G enerato r Opera tion Ma nual" is provided s[...]

II Table of Contents About This Manual ........................................ I Section 1 Overview .................................... 1-1 1.1 Product Ou tline ............................................................. 1-2 1.2 Product Conf iguratio n ................................................... 1-3 Section 2 Storage and Transportation [...]

III Section 7 Remote Controls ....................... 7-1 7.1 Device Message List by Function ................................. 7-2 7.2 Alphabetical Device Message List ................................ 7-5 7.3 Device Message List for each AWGN Internal Adder Functions when Sele cting W-CDMA ............................ 7-12 7.4 Alphabetical Device [...]

IV.[...]

Section 1 Overview 1-1 This section describes the product outline and manual configuration for the MU368060A A WGN Unit. 1.1 Product Ou tline........................................................... 1-2 1.2 Product Conf iguratio n ................................................ 1-3[...]

Section 1 Overview 1-2 1.1 Product Outline The MU368060A is an A WGN (Additive White Gaussian Noise) Unit mounted on the MG3 681A Digital Modulat ion Signal Generat or (hereafter , main frame). Mounting the MU368 060A on the main frame enables n oise signals to be generated for rece ption sensitivity t est of CDMA 2000 modulati on radio equipment.[...]

1.2 Product Configuration 1-3 1.2 Product Configuration The standard configuration of the MU3680 60A is shown below . When unpacking, check that the listed products are provided. If a missing or damaged component is found, please co ntact Anritsu or its distributors. Item Model name and number Part name Quan- tity Remarks Main Unit MU368060A AWGN U[...]

Section 1 Overview 1-4.[...]

Section 2 Storage and T ransportatio n 2-1 This section describes precaut ions on storage and transp ortation of MU368060A. 2.1 Precautions for Long -term Storage ............................ 2-2 2.2 Repacking and Tr ansportation ................................... 2-3[...]

Section 2 Storage and Transportation 2-2 2.1 Precautions for Long-term Storage A void storing the MU368060A i n places where: • It may be exposed to direct sunlight • It is dusty • It is humid and condensation may form • It may be exposed to active gases • It may oxidize • The following tem perature and humi dity exists Temperature : &l[...]

2.2 Repacking and Transportation 2-3 2.2 R epacking and Transportation Precautions on transportation of MU368060A ar e shown below . Repa cking Use the original p acking materia l (box), if ava ilable. If not available, follow the procedures shown below to repack th e MU368060A. [1] Cover the MU368060A with a conductive vinyl. [2] Prepare a cardboa[...]

Section 2 Storage and Transportation 2-4.[...]

Section 3 Operation Overview 3-1 This section explains the basic screens wh en MU368060A is mounted on the main frame. 3.1 Setting the Pa rameters .............................................. 3-2 3.2 Power Accuracy for the Calculated Bandwidth .......... 3-6[...]

Section 3 Operation Overview 3-2 3.1 Setting the Parameters When Digital Mod is pressed, the key lamp lights and the Mai n screen ap- pears. This screen is for basic pa rameter settings on digital mo dulation . Details on the Main scre en settings are described be low . [1] I/Q Mod. When Digital Modulation is set t o “On”, this unit outputs noi[...]

3.1 Setting the Parameters 3-3 [5] Calculated Level Calculates the calc ulated lev el internally ba sed on the inputt ed cal- culated bandwidt h. Displays the power ratio of the band specified in [4] to the total p ower for the RF output of the signa l generator . [6] (Absolute) Displays the power in th e calculated bandwidt h. Displayed value = RF[...]

Section 3 Operation Overview 3-4 • Calculating th e power for the calculat ed bandwidth The noise generator can be explained by the following thr ee parameters. Noise Bandwid th: Sets the band for the noise to be gener ated. Bandwidth set here is for the flat part of the noise as shown in the figure below . Calculated Bandwid th: Normally , same [...]

3.1 Setting the Parameters 3-5 Example: Suppose that the following parameters ar e set for this unit: Output Level : − 10 dBm Digital Mod : On System : Noise1 Noise Bandwidth : 7.68 MHz Calculated Bandwidth : 3.84 MHz From Formula (1), Power within the calculated band width = RF output level + Calculat ed level = − 10 dBm + ( − 3.45 dB) = −[...]

Section 3 Operation Overview 3-6. 3.2 Power Accuracy for the Calculated Bandwidth From Formula (1) in Section 3.1, accu racy for the power within the calcu- lated bandwidth vari es depending on the accurac y for the RF output lev el and the power calculati on level. When the user does not perf orm calibra- tion, accuracy is the added value of thes [...]

Section 4 Sample Measurement 4-1 This section explains sample measurement when MU 368060A is mounted on the main fram e. 4.1 Evaluation Measurement for the Receiver ................. 4-2[...]

Section 4 Sample Measurement 4-2. 4.1 Evaluation Measurement for the Receiver The evaluation m easurement proc edure for the W -CDMA receiver is de- scribed below . Setup Measurement procedure [1] Set the frequency for the wanted s ignal source to the testing fre- quency . [2] Set the output l evel of the unit to th e proper level for th e input co[...]

Section 5 Sample Calibration 5-1 This section describes the cal ibration procedure for th e output level when using the MU368060A A WGN Unit. This example uses a W-CDMA sys- tem. 5.1 Calibration of t he Output Level ................................... 5-2 5.1.1 Adjusting the output level for the signal gen erator ...................................[...]

Section 5 Sample Calibrat ion 5-2 5.1 C alibration of the Output Level 5.1.1 Adjusting the output level for the signal generator Calibration of the output level at th e RF connector terminal f or the signal generator is explained here. A sample power setting with a 7.68 MHz noise sign al bandwidth and –20 dBm/3.84 MHz at the RF output connector t[...]

5.1 Calibration of the Output Level 5-3 <Points> In this calibration method, the output level accurac y of this unit can be ig- nored because the output level is directly measured b y the power meter . Conversely , by changing the output level of this unit after calibration, its accuracy affects the level accuracy . The outp ut level accuracy[...]

Section 5 Sample Calibrat ion 5-4 (4) Set the output lev el for this unit so that the indicati on value of the power meter becomes the total power found in Step (2). This com- pletes calibration to the –73 dBm/3.84 MHz noise level at the input connector terminal of the rec eiver . <Level accuracy> See Section 5.1.1 for level accuracy . <[...]

5.1 Calibration of the Output Level 5-5 5.1.4 Calibration using the offset setti ng function of the RF output level Using the offs et setting funct ion of the RF outp ut level of th e MG3681A with “(Absolut e)” display , the noise level can be easily ca librated, as de- scribed below . A sample on the same condition as th at in Section 5.1.3 is[...]

Section 5 Sample Calibrat ion 5-6.[...]

Section 6 A WGN Internal Adder Function 6-1 This sectio n explain s the A WGN i nternal adde r function a vailable when MU368060A is mounted with both MU3 68040A and MX368041A/B. 6.1 Produc t Ou tline........................................................... 6-2 6.2 Operation When Sele cting W-CDMA ......................... 6-3 6.2.1 Main sc reen [...]

Section 6 AWGN Internal Adder Function 6-2 6.1 Product Outline The MU368060A is capable of outputting I/Q and RF signals added with W -CDMA uplink modulation wave and n oise when mounted w ith both the MU368040A and the MX368041A/B. W -CDMA modulation wave and noise can be i nternally added in th e fol- lowing condit ions: Simulation Link Up Link W[...]

6.2 Operation When Selecting W-CDMA 6-3 6.2 Operation When Selecting W-CDMA When W -CDMA is selected for System wh ile setting Up Link for Simula- tion Link, setting items for the A WGN internal add er function appear in the Digital modulat ion setting screen for W - CDMA modulatio n. Items not specifically mentioned ca n be set in the same as for [...]

Section 6 AWGN Internal Adder Function 6-4 [6] Output Level Displays [(nois e power for all b ands)+(total pow er for multiplex chan- nels of W -CDMA modulation wave)] [7] A WGN Sets the A WGN internal adder function On/Off. When set to Off, the MX368041A/B standards app ly to all items. When set to On, the MU368060A, not the MX36 8041A/B, standard[...]

6.2 Operation When Selecting W-CDMA 6-5 6.2.2 Scrambling Code & Others Edit screens [1] Noise Bandwidth Sets the noise bandwidth. Setting item: Chip Rate x 1.5, Chip Rate x 2 Initial value: Chip Rate x 2[...]

Section 6 AWGN Internal Adder Function 6-6 6.3 Function Details Image diagram for the A WGN internal adder function is shown below: Noise is added to th e same carrier as the W -CDMA modulation wave and outputted as I/Q and RF signals. Setting and displa yed values for the A WGN internal adder function are shown below: [1] C/N Is the ratio between [...]

6.3 Function Details 6-7 [3] W anted Is the ratio between Output Level and W -CDMA modulation wave power . This value is correct without a warning message "Power Un- der 0 dB" displayed. W -CDMA modulation wave p ower = Output Level + W anted [4] Noise Is the ratio between Output Leve l and noise power within 3.84 MHz bandwidth. This is n[...]

Section 6 AWGN Internal Adder Function 6-8 6.4 Operation When Selecting 1xEVDO When 1xEVDO is selected for System, ad ditionally , Over sampling is 8 and 1xEVDO modu lation wave of single carrier is set to Pattern, setting it ems of A WGN internal adder function app ear in the Digital modulation set ting screen for 1xEVDO modu lation. Items not spe[...]

6.4 Operation When Selecting 1xEVDO 6-9 [3] W anted Displays power of 1xEVDO modulation wave. [4] Displays noise power within 1.23 MHz ban d. [5] Noise Bandwidth Sets noise bandwidth and selec ted in multiples of Calc ulated Band- width. When T one is selected, the ton e signal of the same power as selecte d for x4 is added, but not for A WGN. T wo[...]

Section 6 AWGN Internal Adder Function 6-10 6.5 Function Details When Selecting 1xEVDO Image diagram for the A WGN internal adder function is shown below: 1.23 MHz x4/x 3/x2 1.23 MHz Carri er freq uency 1xEV DO Modulatio n Wave Nois e (A W GN) Noise is added to the same carr ier as the 1xEVDO modulation wave and outputted as I/Q and RF signal. Sett[...]

6.5 Function Details When Selecting 1xEVDO 6-1 1 [3] Noise Displays noise power within 1.23 MH z ban d. This is not power for all noise bands . The difference b etween this val ue and the display value for W anted is the same as the setting vale for C/N. Note the following p oints for using the A WGN internal a dder function. • When AWGN is set t[...]

Section 6 AWGN Internal Adder Function 6-12.[...]

Section 7 Remote Controls 7-1 This section provides the function list for the GPIB device messages a nd de- scribes the messages in alphabetical order , when the MU368060A A WGN Unit is mounted on the main frame. For a description of the other remote controls, refer to Section 6 "Remote Controls" in the "MG3681A Main Unit Operation M[...]

Section 7 Remote Controls 7-2 7.1 D evice Message List by Function Command messages and query me ssages The header of th e command message is a reserved word repr esented by uppercase alphanum eric characters. The header field of th e query mes- sage ends with "?". The argument section of the command message and the query message can cont[...]

7.1 Device Message List by Functi on 7-3 Response me ssage A response message is returned to the externa l controller when a query message is received, which is represente d in the form "r esponse header field + response data section". Multiple response data may be included by delimiting the resp onse data sectio n by a separator ",&[...]

Section 7 Remote Controls 7-4 Device message li st <Common> Item Device message Controlled item Command message Query message Response message I/Q Source Internal MODE INT IQSRC INT MODE? IQSRC? MODE INT IQSRC INT I/Q Source External MODE EXT IQSRC EXT MODE? IQSRC? MODE EXT IQSRC EXT I/Q Source OFF MODE OFF IQSRC OFF MODE? IQSRC? MODE OFF IQS[...]

7.2 Alphabetical Device Message List 7-5 7.2 A lphabetical Device Message List <Example> FREQ Frequency Function Sets the frequency . Command message FREQ f V alue of f –2.99975 to 3 GHZ : –2.99975 to 3 GHz –2999.75 to 3000 MHZ : –2999.75 to 3000 MHz –2999750 to 3000000 KH Z : –2999750 to 300000 0 kHz –2999750000.00 to 300 00000[...]

Ｃ 7-6 CALCBW Calculation Bandwidth Function Sets the calculated bandwidth. The possible sett ing range is 10 to 80% of th e noise bandwi dth. Command message CALCBW f Query message CALCBW? Response me ssage CAL CBW f V alue of f W ithin the ran ge of 10 to 80% of th e noise bandwi dth. Application example CALCBW 3.84MHZ CALCALVL Calculation Absol[...]

C 7-7 CALCLVL Calculation Bandwidth Level Function Reads the bandwidth calculation le vel. A vailable for query command only . Query message CALCL VL? Response me ssage CAL CL VL l 1[...]

I 7-8 IQSRC I/Q Source Function Selects between internal generation or external input for the I/Q signal. Command message IQSRC a V alue of a INT : Internal (Internal I/Q signal) EXT : External (Ext ernal I/Q signal) OFF : I/Q modulation stops (Only Pules modulation is available.) Query message IQSRC? Response mess age IQSRC a Application example I[...]

Ｍ 7-9 MODE I/Q Source Function Selects between internal generation or external input for the I/Q signal. Command message MODE a V alue of a INT : Internal (Internal I/Q signal) EXT : External (Ext ernal I/Q signal) OFF : I/Q modulation stops (Only pulse modulation is available.) Query message MODE? Response me ssage MODE a Application example MOD[...]

Ｎ 7-10 NOISEBW Noise Bandwidth Function Sets the noise bandwidth. Command message NOISEBW f V alue of f 1.5 to 16 M Hz Query message NOISEBW? Response message NOISEBW f Restrict ion When Ext is set for I/Q signal sou rce, screen display and remote con- trol are disabled. Application exam ple NOISEBW 10MHZ[...]

Ｓ 7-1 1 SYS Noise System Function Sets the communication system. Command message SYS a V alue of a NOISE1 : selects noise ∗∗∗ : other system such as TDMA unit Query message SYS? Response message SYS a Application example SYS NOISE1[...]

Section 7 Remote Controls 7-12 7.3 D evice Message List for AWGN Internal Adder Functions When Selecting W-CDMA This section provid es the functional list of GPIB de vice messages when using the A WGN interna l adder function with W -CDMA selected as ex- plained in Section 6. Refer to Section 7.1 for details on comm and, quer y and response message[...]

7.4 Alphabetical Device Message List for the AWGN Internal Adder Function 7-13 7.4 A lphabetical Device Message List for AWGN Internal Adder Functions When Selecting W-CDMA This section details the alp habetical list of GP IB device messag es when using the A WGN interna l adder function with W -CDMA selected as ex- plained in Section 6.[...]

Ｎ 7-14 NOISEADD AWGN Addition Function Sets internal addit ion of noise and W -CDMA modulation wave On/Off. Command message N OISEADD a V alue of a ON : Sets the internal adder function On. OFF : Sets the internal adder function Off. Query message NOISEADD? Response message NOISEADD a Application example NOISEADD ON NOISEBW Noise Bandwid th Funct[...]

Ｐ 7-15 PWRCNR C/N Function Sets the ratio of modulation wave power to noise within bandwid th power (C/N). Command message PWRCNR l Value of l –30.0 to –8.0 dB Query message PWRCNR? Response mess age PWRCNR l Application example PWRCNR –8.0 dB PWRNS Noise Signal Power Function Queries the noise p ower ratio within the ban dwidth . Query mes[...]

P 7-16 PWRWS Wanted Signal Power Function Queries the mod ulation wave pow er ratio. Query message PWRWS? Response me ssage PWRWS l Value of l –143.0 to 17.0 dB Application example PWRWS?[...]

7.5 Device Message List for AWGN Internal Adder Functi ons When Selecting 1xEV DO 7-17 7.5 D evice Message List for AWGN Internal Adder Functions When Selecting 1xEVDO This section provid es the function list of the GPIB d evice message when using A WGN internal function with 1xEVDO select ed as explained in Sec- tion 6. Refer to Section 7.1 for de[...]

Section 7 Remote Controls 7-18 7.6 A lphabetical Device Message List for AWGN Internal Adder Function When Selecting 1xEVDO This section details the alphabet ical device message for GPIB dev ice mes- sage when using A WGN internal adder function with 1x EVDO selected as explained in Section 6. Refer to an example in Section 7.2 regar ding this form[...]

N 7-19 NOISE AWGN Addition Function Sets A W GN and 1xEVDO modulatio n wave internal adder On/Off. Command message NOISE a V alue of a ON : Sets the internal adder function On. OFF : Sets the internal adder function Off. Query message NOISE? Response me ssage NOIS E a Application example NOISE ON NOISEBW Noise Bandwidth Function Sets A WGN bandw id[...]

N 7-20 NOISECN C/N Function Sets the ratio between m odulation wave pow er and noise power within band (C/N). Command message NOISECN l V alue of 1 –30.0 to +30.0 dB Query message NOISECN? Response message NOISECN l Application example NOISECN –8.0DB NOISEPWR Noise Signal Power Function Queries noise power w ithin band. Query message NOISEPWR? [...]

W 7-21 WNTSGPWR Wanted Signal Power Function Queries the mod ulation power Query message WNTSGPWR? Response mess age WNTSGPWR l V alue of 1 –143.0 to +17.0 dB Application example WNTSGPWR?[...]

Section 7 Remote Controls 7-22.[...]

Section 8 Performance T e st 8-1 This section explains the required measuring instruments and procedures for setup, calibration and per formance test to confirm that the MU368060A satisfies the standards. 8.1 Performance Test ....................................................... 8-2 8.2 Devices used in Performance Test ...........................[...]

Section 8 Performance Test 8-2 8.1 Performance Test The performanc e test is required to check that the MU368060A satisfies the standards. Conduct the performanc e test when required such as on acceptance in- spection, periodic insp ection or after repa ir . If the performa nce test result shows that the MU36 8060A does not satis fy the standards, [...]

8.2 Devices used in Performance Test 8-3 8.2 D evices used in Performance Test The devi ces used in the perfo rmance test of the MU 368060A are sho wn in the table below: Performance Test Item Recommended Device Name Anritsu Model Name Power meter ML4803A RF output level accuracy Power sensor MA4601A In-band power calculation accuracy Spectrum anal[...]

Section 8 Performance Test 8-4 8.3 R F Output Level Accuracy (1) T est criteria ALC On, output: –3 dBm, level d ifference from resul ts during CW and during modulation at noise band wi dth of 7.68 MHz: ±3 dB (excluding when noise intern al adder function is On.) (2) Measuring instruments for test • Power meter ......... ML4803A • Power senso[...]

8.4 In-band Power Calculation Accuracy 8-5 8.4 In-band Power Calculation Accuracy (1) T est criteria Power ratio accuracy within the ca lculated ban dwidth to tot al power (when RF output level is –3 dB m) ± 0.6 dB (1920 to 2170 MHz, noise band w idth set value: 4 to 8 MHz) ± 2.0 dB (1920 to 2170 MHz, noise band width set value: 8 to 16 MHz) (e[...]

Section 8 Performance Test 8-6. Reference Level : 10 dBm Amplitude Scale : 10 dBm [7] Perform waveform a veraging with th e spectrum analyzer . [8] Measure the power for calculat ed bandw idth by using the noise measurement funct ion of the spectrum ana lyzer . [9] Measure the power for all bands by using the noise measur ement function of the spec[...]

Appendix App-1 Appendix A Specif ications ................................................. A-1 Appendix B Initial Value Li st .............................................. B-1 Appendix C Performance Te st Result Sheet ..................... C-1[...]

Appendix App-2.[...]

Appendix A Specifications A-1 Item Specifications Application Nois e (AWGN) signal source for recept ion sensitivity test of CDMA modul ation radio equipment. Carrier frequenc y range 1920 to 2170 MHz Probability distribution Gauss distribution Bandwidth 1.5 to 16 MHz (excluding when the AWGN internal adder function is On.) Crest factor ≥ 14 dB ([...]

Appendix A Specificat ions A-2.[...]

Appendix B Initial V alue List B-1 B Initial Value List When Noise is sel ected for Sy stem Setting Initial value Noise 7.68 MHz Calculated 3.84 MHz When the A WGN internal adder fu nction is On with W-CDMA selected Setting Initial value AWGN Off C/N –20.0 dB Noise Bandwidth Chip Rate x2 When the A WGN internal adder fun ction is On with 1xEVD se[...]

Appendix B Initial Value List B-2.[...]

Appendix C Performance T est Result Sheet C-1 C Performance Test Result Sheet T est site : Report No. Date Person in charge Model MG3681A Digital Modulation Signal Generator + MU368060A A WGN Unit Serial No. Ambie nt temperature °C Power source freque ncy Hz Relative humidity % Remarks: Output level accuracy (Section 8.3) Output level : –3 dBm M[...]

Appendix C Performance Test Result Sheet C-2.[...]

Index Index-1 [Alphabetical Order] C Calculated Bandwidt h .........................................3-2, 3-3, 3-4, 3-5, 3-6, 5-2, 5-3, 5-4 Calculated Level ...................................................3-3, 3-4, 3-5, 3-6, 5-2, 5-3, 5-4, 5-5 C/N.........................................................................6-4 N Noise Bandwidth ......[...]

Index Index-2.[...]