Agilent Technologies Agilent 81130A 400 manuale d’uso

S S 1 Agilent 81130A 40 0/660MHz Pulse/Data Generator Reference Gui de[...]

% 50.0 TIMING PATTERN LEVELS MODE/TRG 2 Delay DtyCyc 0ps 50.0% Delay 0ps MODIFY OFF OFF 1 Width 100.0ns ON Freq 50.00MHz OFF MORE GRAPH Use the KNOB to select a mode or modify parameters and formats Press ENTER or a UNIT key to confirm parameter changes Use the CURSOR keys to move the entry focus to a mode, parameter format, or parameter value Pres[...]

Refer ence G uide Agilent 8 1130A 40 0/660 MHz Pulse/Data Generator Part No . 81130-91 021 Printed in Germany March 200 0 Edit ion 1.0, E0 300[...]

4 Notice Notice Copyrigh t  1998 A gilen t T echn ologies 1 998, 2 000. Al l righ ts rese rved. No part of this manual ma y be reproduc ed in any for m or by any mean s (includin g electro nic stora ge and ret rieval or tran slation int o a foreign language ) without prior agreeme nt and written conse nt from Agile nt T echnologies Inc. a s gove[...]

5 Notic e Agilent T ec hnologies w arrants that its softwa re and fir mware desig nated by Agilent T e chnologies for use with an instrume nt will execute its progra mming instructions w hen properly insta lled on that instrum ent. Agil ent T echnolo gies do es not wa rrant that t he oper ati on of the instrume nt software, or firm ware, w ill be u[...]

6 Safety Summa ry Safety Summary The fol lowin g genera l saf ety prec autions mu st be ob served d uring a ll phases of opera tion of this instrument. Failure to comply with these precau tions or with specific wa rning s elsewhe re in this m anual v iolates safety standa rds of design, manufacture, a nd intended use of the instrument . Agilent T e[...]

7 Safety Summ ary Ground the Instrument T o minimize shock ha zard, the instrument chassis and c over must be connect ed to an electri cal pr otecti ve eart h ground . The in strument must be conne cted to the ac powe r mains throug h a grounded power cable , with t he gro und wire firmly connec ted t o an elec trical ground (safet y ground) a t th[...]

8 Safety Summa ry Safety Sym bols Caution (re fer to accomp anying do cuments) Protec tive earth (ground) te rminal In th e man uals : WA RN I N G The W ARNING sig n denotes a hazard. It calls attenti on to a procedur e, practice, o r the like, which, if no t correct ly performed or adher ed to, coul d res ul t in pe rson al i njur y . Do no t pro [...]

9 About this Bo ok About this Book This gu ide pr ovides r eferenc e infor mation p rimari ly for pro gramming the Agil ent 8113 0A via r emote contr ol. Chapter 1 General Programming As pects on page 13 give s gene ral hints for progra mming instru ments like the A gilent 8113 0A using SCP I comm ands . Chapter 2 Programming Reference [...]

10 About thi s Book Conventions U sed i n this Book This book uses certain conve ntions to indicate eleme nts of the Agil ent 8113 0A s use r inte rface . The f ollowi ng tabl e shows some exam ples: Softkeys Press the MODE/ TRG softkey to ac cess the Mode/ T rigger scr een. Hardkeys Press t he MORE key to swit ch to the altern ative softkey lay[...]

xi Contents Notice ............................ ..................... ................................ ........ 4 Safety Summ ary .. ..................... ............................... ................... 6 About this Book ....................... ............................... ................... 9 Chapter 1 Gener al Prog rammi ng Aspe cts The G[...]

xii Contents Agilent 81130A Specifi cations ............................. .................. 97 General ................ ................ ............ ................. ................. ........... .......... 97 Timing Specification s ........ ................. ................. ............ ................. .... 99 Main Output Level Speci ficati[...]

13 1 1 General Programming Aspects This ch apter p rovides gener al info rmati on on writ ing GP-IB/S CPI progra ms for instrum ents like the Ag ilent 811 30A. Detailed information o n progra mming the Agilent 81130A ca n be found in Chapter 2 Programming Reference on page 25 .[...]

14 General Program ming Aspe cts The GP -IB Inte rface Bus The GP -IB Interf ace Bus The GP Interf ace Bus is the i nterfac e used for co mmunicatio n between a contro ller a nd an ex tern al devi ce, suc h as th e Agi lent 8 1130A . The G P-IB confo rms to I EEE st andard 488-19 87, ANS I stan dard MC 1 .1, and IEC reco mmen dation 625-1 . If you [...]

15 General Progra mming Asp ects Agilent 81130A Remo te Control Agilent 81130A Remote Control GP-IB Address Y ou can only set th e GP-IB address from the front panel of the instrument (refe r to th e Quick Star t Gui de ). The default GP-IB addr ess is 10. Modes of Operat ion The Agilent 81 130A has two mod es of operation:  Local The in strume [...]

16 General Program ming Aspe cts Progr ammin g Recomm endat ions Programming Recommendations Here ar e some r ecommendation s for pr ogrammin g the inst rument :  Start program ming from the de fault setting. The comm on comman d for setting the def ault setting is : *RST  Switch off the auto mati c update of the d isplay t o incr ease the pr[...]

17 General Progra mming Asp ects Progr amming Re comme ndatio ns  It is recomm ended to test a ne w setting th at will be prog rammed on the instrum ent by setting it up ma nually. Enab le the outpu ts so that th e instrum ent s erro r check sy stem is on and possi ble parame ter conflicts ar e immediat ely displaye d. When you have fou nd th[...]

18 General Program ming Aspe cts Common Comma nd Summary Common Command Summary This table summ arizes the IEEE 488 .2 common com mands supporte d by the Agi lent 81130A : Command Paramete r Descrip tion *CLS  Clear the st atus stru cture *ESE <0255> Set the Standa rd Even t Stat us regi ster mask *ESE?  Read the sta te of the Sta nd[...]

19 General Progra mming Asp ects Status Mo del Status Model The instrum ent has a status reporting system conform ing to IEEE 48 8.2 and SCP I. The abov e figure shows the status groups av ailable in the instrument . Each status grou p is made up of comp onent registers, as shown in the following fi gure. 0 1 2 3 4 5 6 7 8 9 15 0 1 2 3 4 5 6 7 8 9 [...]

20 General Program ming Aspe cts Status Mo del Condition Register A condition r egister contain s the curr ent status of the hard ware and firmware. It is co ntinuously upd ated and is not latch ed or buffered. Y o u can on ly rea d cond itio n regi sters . If th ere is no c ommand to r ead th e condition re gister of a partic ular status group, th[...]

21 General Progra mming Asp ects Status Mo del Enabl e Register The enabl e regist er defin es which bits in an eve nt regist er are in cluded i n the l ogical OR into t he summary b it. The enable r egister is log ically ANDed wi th the even t regi ster and th e resul ting bi ts ORed int o the summary bit. En able reg ister s are rea d/write , and[...]

22 General Program ming Aspe cts Status Mo del Status By te The status byte su mmarizes the informa tion from all oth er status groups. The summar y bit f or the status byte actuall y app ears in bit 6 (RQS) of the status byte. When R QS is set it generates a n SRQ interrupt to the controller indicating that at least one in strument on the bus requ[...]

23 General Progra mming Asp ects Status Mo del OPERation Status Group This Status Group is not use d in the instrument. Bit De scripti on 0 Unuse d, alway s 0 1 Unuse d, alway s 0 2 Unuse d, alway s 0 3 Unuse d, alway s 0 4 Unuse d, alway s 0 5 Unus ed, alw ays 0 6 Unus ed, alw ays 0 7 Unuse d, alway s 0 8 Unuse d, alway s 0 9 Unuse d, alway s 0 10[...]

24 General Program ming Aspe cts Status Mo del QUEStionable Status Group The QUES tionable Status g roup is used to repo rt warning co nditions amongst th e voltage, cu rrent, pulse timing, freque ncy and pa ttern parameter s. W arnin gs occur whe n a parameter , although not outsid e its maxim um lim its, could be causin g an invalid signal at the[...]

25 2 2 Programmin g Reference This ch apter p rovid es refer ence i nforma tion on the followi ng topi cs:  Agilent 81 130A SCP I Command Su mmary on page 26  Def ault Value s, St andar d Set tings  on pa ge 34  Programming the Instrument Trigger Modes on page 38  SCPI Instrument Command List  on page 42 For gen [...]

26 Progra mming Refere nce Agilent 81130A SCPI Command Summary Agilent 81130A SCPI Command Summar y Command Param eter Descri ption see page :ARM (T rigger mode and source) [:SEQuence[1] | :STARt] [:LAYer[1]] :LEVel [:THReshold] <value> Set/re ad threshold level at EX T INPUT 43 :TERMination <value> Set/re ad the termination vol tage at[...]

27 Progr ammin g Refere nce Agilent 81130A SCPI Command S ummary :DIGital [:STIMulus] :PATTern 48 :LOOP 45 :INFinite 46 [:STATe] ON | OFF | 1 | 0 Enables/Disables the infinit e loop :STARt SEGM1 | SEG M2 | SEGM3 | SEG M4 Set/read the st art of the infinite loop (the segment to restart the ou tput after the last bit of the last us ed segment) 47 [:L[...]

28 Progra mming Refere nce Agilent 81130A SCPI Command Summary :DISPlay 55 [:WINDow] [:STATe] ON|OFF|1|0 Se t/read frontpane l display state :MMEMory :CATalog? [A:] Read directory of memory card 56 :CDIRectory [<name>] Change di rectory on memory card 56 :COPY <source>[,A:],<dest > [,A: ] Copy a f ile on me mory car d 57 :DELete &[...]

29 Progr ammin g Refere nce Agilent 81130A SCPI Command S ummary [:SOURce] :CORRection[1|2] :EDELay 60 [:TIMe] <value> Set/re ad channel delay deskew :CURRent[1|2] The CURRe nt and VOL T ag e subsystem can- not be used at the same ti me. Use the :HOLD command to selec t between them. 60 [:LEVel] [:IMMediate] [:AMPLitude] <value> Set/re [...]

30 Progra mming Refere nce Agilent 81130A SCPI Command Summary [:SOURce] :PHASe[1|2] <value> 67 [:ADJust] <value> Set/read channe l phase :PULSe :DCYCle[1|2] <value> Set/re ad channel dutycycle 67 :DELay[1|2] <value> Set/re ad channel delay (to le ading edge) 68 :HOLD TIME|PRA Tio Hold abs olute delay|delay as period fi xed [...]

31 Progr ammin g Refere nce Agilent 81130A SCPI Command S ummary [:SOURce] :ROSCillator :SOURce INT ernal|EXT ernal Set/read PLL reference source 76 :EXTernal :FREQuency <value> Set/re ad frequency of exter nal PLL reference. V alue will be rounde d to 1 MHz, 2M H z , 5M H z o r 1 0M H z . 76 :VOLTage[1|2] 77 [:LEVel] [:IMMediate] [:AMPLitude[...]

32 Progra mming Refere nce Agilent 81130A SCPI Command Summary :STATus :OPERation 81 [:EVENt]? Read Operatio n event register 81 :CONDition Read Operat ion condition regi ster 81 :ENABle Nume ric Set/ Read Opera tion ena ble r egis ter 81 :NTRansition Numeri c Se t/Read Operati on negative-tr ansitio n regis ter 81 :PTRansition Numeri c Se t/Read p[...]

33 Progr ammin g Refere nce Agilent 81130A SCPI Command S ummary :SYSTem :ERRor? Read error que ue 84 :KEY Numeric Simulate key pres s or read last key pressed 84 :PRESet no function 87 :SECurity 87 [:STATe] ON|OFF Switch security on and off :SET Block data Set/read complete instrument set ting 88 :VERSion? Read SCPI co mpliance setti ng 88 :WARNin[...]

34 Progra mming Refere nce Default V alues, Standard Setti ngs Default V alues, Standar d Settings Pa rame ter *RST , Defa ult V a lues :ARM :LEV el [:THReshol d] +1.0 V :TERM +0.0 V :MODE ST ARted :SENSe POS :SOURce IMM :INITiate :CONTinuous ON :CHANne l :MA TH OFF :DIGit al :P A TT ern: OFF :LOOP:INF inite ON :LOOP:INF inite:ST ARt SEGM1 :LOOP 1 [...]

35 Progr ammin g Refere nce Default V alues, Standard Settings :INITialize not applicable :LOAD :ST A T e not applicable :STORe :ST A T e not a pplicable :OUTPut OFF :COMP lemen t OFF :CORR ection :E DELay 0.0 s :CURRe nt 20 mA (50 Ω into 50 Ω ) :OFFSet 0.0 µ A (50 Ω in to 50 Ω ) :HIGH +10 mA (50 Ω into 50 Ω ) :LOW 10 mA (50 Ω in [...]

36 Progra mming Refere nce Default V alues, Standard Setti ngs [:LEADI NG] 0. 8 ns (Agilent 81 131A) or not applicabl e :TRAili ng 0.8 ns (Agile nt 811 31A) or not applic able :TRA iling:A UTO ON :TRIG ger: :MODE ST ARt :POSiti on 1 :VOL T age TTL :WIDTh 100 ns :ROSCi llator :SOURce INT :EXT ernal :FREQuency 5 MHz :VOL T age 1.00 V :OFFSet 0.0 mV :[...]

37 Progr ammin g Refere nce Default V alues, Standard Settings :TRIG ger :COUNt 1 :PULSes 2 :LEV el :TERMinat ion 0.0 V :SOURce INT Pa rame ter *RST , Defa ult V a lues[...]

38 Progra mming Refere nce Progra mming th e Instr ument T rigger Mo des Programm ing the Instru ment Tr i g g e r M o d e s The follow ing figure shows the instrum ent s arming/trig gering m odel: For details of the trigger count command, refer to “:TR IG:COU N” on page 89 . Y ou pro gram the c omprehensi ve triggering capabili ties of the [...]

39 Progr ammin g Refere nce Programm ing the Instrument T rigge r Modes Continuous Set Continuou s mode by armin g the instrument from its internal PLL: :ARM:SOURce IMMediate Arm from internal PLL Starte d Set Started mode by arming the instrument on low to high level tran sition from the EXT INPUT : :ARM:SOURce EXTernal1 Arm from EXT INPUT :ARM:MO[...]

40 Progra mming Refere nce Progra mming th e Instr ument T rigger Mo des Burst Set Burst mode by setting the :T RIGger :COUNt to the burst count require d. The trigge r source sets the pulse pe riod for the pulses w ithin the b urst (See tabl e in Pulses on page 39 ). :TRIGger:COUNt 16 Burst of 16 pulse periods :TRIGger:SOURce INTernal1 Pulse[...]

41 Progr ammin g Refere nce Programm ing the Instrument T rigge r Modes Manually St arting and Gating When st arti ng and gating with t he MAN key use the follow ing comma nds: ST ARTED *TRG or :INITiate:CONT inuous ON to start the instrument :INIT iate:C ONT inuous OFF to stop the instrument GA TED :INIT iate :CONT inuous ON to 'open the gate[...]

42 Progra mming Refere nce SCPI Instrument Command List SCPI Instrument Command List The fol lowin g refere nce se ctions list the inst rument commands i n alphabe tical order . In addition to a comm and descr iption, the attribute s of each co mmand are de scribed u nder the followin g headings. Not all of these at trib utes ar e appli cable t o a[...]

43 Progr ammin g Refere nce SCPI Instrume nt Command List Command :ARM:LEV [:THR] Long :ARM[:SEQuence[1] | :S TARt][:LAYer]:LEVel[:THReshold] Form Set & Query Parameter Num eric Parameter Suffix V with enginee ring pr efixes. *RST value +1 .0 V Specified Lim its 1.4 V to +3.7 V Description Use t his comman d to prog ram the t riggeri ng thre[...]

44 Progra mming Refere nce SCPI Instrument Command List Description Use th is command to select STARTED or GATED mode. In the gated mode , t he inst rument tri ggers as long as the armi ng sign al is abov e ( :ARM: SENS P OS ), or belo w ( :ARM:S ENS NEG ) the select ed threshold le vel ( :ARM:L EV ). In started mo de , the instrument triggers on p[...]

45 Progr ammin g Refere nce SCPI Instrume nt Command List Command :INIT:CONT Long :INITiate:CONTinuous Form Set & Query Parameter ON | OFF | 1 | 0 *RST value ON Description Use this co mmand to enab le/di sable auto matic res tart of t he inst rument (equal to start a nd stop the instrument). If :ARM:SOUR ce is set to IMMedi ate , the val ue of[...]

46 Progra mming Refere nce SCPI Instrument Command List Description Use this command to set up a c ounted loop acr oss one or more segments. If nes ted loo ps are u sed, th e counte d loo p must be embedded into th e infinite loo p completely . Examp le T o set up an infinite loop ove r segment 2 to se gment 4 and a counted loo p across se gment 2 [...]

47 Progr ammin g Refere nce SCPI Instrume nt Command List Command :DIG:PA TT :LO OP:INF:ST AR Long :DIGital[:STIMulus]:PA TTern:LOOP:INFinite:STARt Form Set & Query Parameter SE GM1 | SEGM2 | SEGM3 | S EGM4 | 1 | 2 | 3 | 4 *RST value SEGM1 Description Use this co mmand to set up t he desti nation segment. The infinite loop is ignored, if :ARM:S[...]

48 Progra mming Refere nce SCPI Instrument Command List Command :DIG:PA TT :LOO P:LENG Long :DIGital[:STIMulus]:PA TTern:LOOP[:LEVel[1]]:LENGth Form Set & Query Parameter 1 | 2 | 3 | 4 *RST value 1 Description Use this command to set the num ber of segments to be re peated within the counted loop. Examp le See p revious ex ample ( page 47 ). Co[...]

49 Progr ammin g Refere nce SCPI Instrume nt Command List Examp le T o set up a re peating 2 10 1 PRBS on OUTPUT 1: Command :DIG:P A TT :SEGM[1|2|3|4]:DA T A[1|2] Long :DIGital[:STIMulus]:PA TTern:SEGMent[1|2|3|4]:DATA[1|2] Form Set & Query Parameter <data> *RST value Segmen t 1 Segm ent 2 to Segm ent 4 set t o all bit s set to zero . [...]

50 Progra mming Refere nce SCPI Instrument Command List Description Use this comma nd to se t or read a segm ent s data o f one o r all chann els starting from Bi t 1. The <dat a> is an arbitrar y block of pro gram data as defin ed in IE EE 488.2 7.7. 6.2, fo r exampl e: #151121 3 # Sta rt of bl ock 1 Length of the length of the data 5 Len[...]

51 Progr ammin g Refere nce SCPI Instrume nt Command List The instrume nt uses each by te of data set one B it in the pattern memor y . If you don t sp ecify a par ticul ar chan nel, th e lowest two bit s of eac h byte are u sed to se t all three channe ls, and the top six bits ar e ignored . Note that yo u can t herefo re use the ASCII charac t[...]

52 Progra mming Refere nce SCPI Instrument Command List Command :DIG:P A TT :SEGM [1|2| 3|4]:LENG Long :DIGital[:STIMulus]:PA TTern:SEGMent[1|2|3|4]:LENGth Form Set & Query Parameter Num eric *RST value 3 2, 0, 0, 0 (seg ment 1 = 3 2, segmen ts 2, 3, and 4 = 0 ) Specified Lim its 0 to 65 504 Description Use thi s com mand to set u p the n umb e[...]

53 Progr ammin g Refere nce SCPI Instrume nt Command List Command :DIG:P A TT :SEGM[1|2|3|4]:PRES[1| 2] Long :DIGital[:STIMulus]:PA TTern:SEGMent[1|2|3|4]:PRESet[1|2 ] Form Set Parameter <n>,<length> *RST value Not applica ble Specified Lim its <n> 0 to 32768 (integer ) <lengt h> 1 to 65 504 ( integer) Description Use this c[...]

54 Progra mming Refere nce SCPI Instrument Command List Description Use this co mmand to set the type of the segment for one c hannel. If the segment ty pe of one channel is set to PRBS the other channel may not be set to DA T A. If at least one chan nel us es PRBS , then t he segment type combi nation used i n this s egment ha s to be u sed in eve[...]

55 Progr ammin g Refere nce SCPI Instrume nt Command List Description Use this co mmand to set and re ad the d ata for mat of cha nnels 1 an d 2 when us ing P A TTERN mode . If you dont specify a channe l number in the command, channe l 1 is assumed. Examp le :DIG:SIGN:FORM NRZ Set channel 1 data format to NRZ Command :DISP Long :DISPlay[:WINDow[...]

56 Progra mming Refere nce SCPI Instrument Command List Command :MMEM:CA T? Long :MMEMory:CATalog? Form Query Parameter ["A:"] *RST value Not applica ble Description Use this command to ge t a lis ting of the c ontent s of th e curr ently sele cted direc tory on the memory card . As there is only one me mory card slot, the para meter A: i[...]

57 Progr ammin g Refere nce SCPI Instrume nt Command List NOTE Note that you canno t use DOS path names as direc tory names, you ca n only select a directory na me within the cu rrent directory . Use the d irecto ry name ". ." to move back to the pa rent di rector y of th e curre nt direc tory , unle ss you ar e alre ady in the root direc[...]

58 Progra mming Refere nce SCPI Instrument Command List Command :MMEM:IN IT Long :MMEMory:INITialize Form Even t Parameter ["A:"[,"DOS"]] *RST value Not applica ble Description Use this co mmand to ini tial ize a memory card to DOS format. CAUT ION In itializing a memo ry card destroys any ex isting dat a on the card. Command :M[...]

59 Progr ammin g Refere nce SCPI Instrume nt Command List Specified Lim its <n> = 0 to 4 (integ er) Description Use this co mmand to stor e a complete instru ment settin g from memory <n> to file filename in the curre nt directory on the memory card. Memories 1 to 4 ar e the in ternal memo ries. Us e memory 0 t o store the curr ent ins [...]

60 Progra mming Refere nce SCPI Instrument Command List Command :CORR[1|2]:EDELay Long [:SOURce]:CORRection[1 |2]:EDELay[:TIMe] Form Set & Query Parameter Num eric Parameter suffix S with en ginee ring p refixes . *RST value 0.0 s Specified Lim its 25.0 ns to +25. 0 ns Description Use this co mmand to progr am the OUTPUT Desk ew delay . This[...]

61 Progr ammin g Refere nce SCPI Instrume nt Command List Description This command pro grams the a mplitude cu rrent of the OUTPUT signal. Note th at to set t he OUTPUT leve ls in t erms of current, you f irst ha ve to exec ute th e [:SOUR ce]:HO LD CUR Rent comm and to en able t he [:SOUR ce]: CURRent subsystem. The avai lable cur rent range is li[...]

62 Progra mming Refere nce SCPI Instrument Command List Command :CURR[1|2]:HIGH Long [:SOURce]:CURRent[1|2] [:LEVel][:IMMediate]:HIGH Form Set & Query Parameter Num eric Parameter suffix A with en ginee ring p refixes . *RST value +1 0 mA (50 Ω into 50 Ω ) Specified Lim its 3.8 V O utputs (5 0 Ω int o shor t): max. 152 mA t ypical 3.0 V O[...]

63 Progr ammin g Refere nce SCPI Instrume nt Command List Command :CURR[1|2]:LOW Long [:SOURce]:CURRent[1|2] [:LEVel][:IMMediate]:LOW Form Set & Query Parameter Num eric Parameter suffix A with enginee ring p refix es. *RST value  10 mA (50 Ω into 50 Ω ) Specified Lim its 3.8V Outp uts (50 Ω into short): max. 152 mA typical 3.0V Outp u[...]

64 Progra mming Refere nce SCPI Instrument Command List Description Use this co mmand to set /read th e High-l evel cu rrent li mit. If you swi tch on curre nt limitin g, the Hi gh-leve l curren t can not be set ab ove the progra mmed limit. NOTE The cu rrent is NOT limited by the OUT PUT hard ware, this is a software limit. Examp le :HOLD CURR Ena[...]

65 Progr ammin g Refere nce SCPI Instrume nt Command List *RST value OFF Description This comman d switches the out put limits on or o ff. When you sw itch on the output lim its cannot program the output-levels beyon d the progra mmed limits, unt il you switch o ff the output-li mits. The limits apply wh ether you prog ram High /Low levels or Ampli[...]

66 Progra mming Refere nce SCPI Instrument Command List Description Use this co mmand to set /read the pulse frequenc y . Select the freque ncy source for the pulse frequency using :TR IG ger:S OURc e . The cu rrent ly select ed sour ce is prog ramme d by thi s comm and. No te that the sp ecified limits and av ailable resolution d epend on the sele[...]

67 Progr ammin g Refere nce SCPI Instrume nt Command List Command :PHAS[1|2] Long [:SOURce]:PHASe[1|2][: ADJust] Form Set & Query Parameter Num eric Parameter suffix DE G or RAD . A parameter without a suffix is interpreted as RAD . *RST value 0.0 Specified li mits 0 to 3 60 ° const raine d by del ay and p erio d lim its . V alue coupling Func[...]

68 Progra mming Refere nce SCPI Instrument Command List Specified li mits 0.1  99.9% , depends on Width & Period. V alue coupling Description Use this co mmand to pro gram the dutycycle of the pulse s ignal. If you want to set an absolu te pulse-width use [:SOUR ce]: PULSe:W IDTh[1 |2] . If you want the pulse dutycycle to rema in constant wh[...]

69 Progr ammin g Refere nce SCPI Instrume nt Command List Description Use th is command to set/r ead the pulse -dela y . Delay is the time bet ween the s tart of t he pul se pe riod an d the s tart of the lead ing- edge of the pul se. If you want the pu lse-delay to re main constant wh en the pulse peri od is varied (rathe r than th e phase -delay [...]

70 Progra mming Refere nce SCPI Instrument Command List Command :PULS:DEL[1|2]:UNIT Long [:SOURce]:PULSe:DELay[ 1|2]:UNIT Form Set & Query Parameter S | SEC | PCT | DEG | RAD *RST value SEC Description Use this co mmand to set /rea d the defa ult un its f or the pu lse-d elay parameter . The default unit of a parameter is the unit used when t h[...]

71 Progr ammin g Refere nce SCPI Instrume nt Command List Parameter Suffix S with enginee ring pr efixes. *RST value 1 µ s Specified li mits Agilent 8 1131A: 2.5 ns to 1 ms Agilen t 81132A: 1.5 n s to 1 ms V alue coupling Description Use this command to set/ read the pulse pe riod. Select the pulse period source usin g :TR IGger:S OURce . The curr[...]

72 Progra mming Refere nce SCPI Instrument Command List Command :PULS:TDEL[1|2] Long [:SOURce]:PULSe:TDELay [1|2] Form Set & Query Parameter Num eric Parameter Suffix S with en ginee ring p refixes . *RST value 1 00 ns Specified Lim its Agil ent 8113 1A: 1.2 5 ns to 9 99.9 µs Agil ent 8113 2A: 0.7 5 ns to 9 99.9 µs Description Use this comm a[...]

73 Progr ammin g Refere nce SCPI Instrume nt Command List Parameter suffix S with enginee ring pr efixes *RST value 0.8 ns Specified li mits Agilen t 81131A: 0.8 ns or 1.6 ns Para met er coupli ng T r ailing-ed ge = Lead ing-edge fixed coupl ed Description Use th is command to set/rea d the transition- time of the pulse lead ing- edge. N ote that t[...]

74 Progra mming Refere nce SCPI Instrument Command List Command :PULS:TRIG [1]:MODE Long [:SOURce]:PULSe:TRIGge r[1]:MODE Form Set & Query Parameter CO NTinuo us | ST ARt *RST value STARt Description Use this co mmand to set /read th e TRIGGER OUT gen erati on mode in pattern m ode. Command :PULS:TRIG[1]:POS Long [:SOURce]:PULSe:TRIGge r[1]:POS[...]

75 Progr ammin g Refere nce SCPI Instrume nt Command List Description Use this co mmand to set /read the output levels at t he TRIGGER OUT conn ector . Command :PULS:WIDT[1|2] Long [:SOURce]:PULSe:WIDTh[ 1|2] Form Set & Query Parameter Num eric Parameter suffix S with enginee ring p refix es *RST value 1 00 ns Specified Lim its Agil ent 8113 1A[...]

76 Progra mming Refere nce SCPI Instrument Command List Command :ROSC:SO UR Long [:SOURce]:ROSCillator: SOURce Form Set & Query Parameter IN Ternal | EXTe rnal *RST value INT Description Use this command to set/read the reference source for the PLL. If you sele ct the exter nal refer ence (CL K IN connector ) you can ch oose to use a 1 MHz, 2 M[...]

77 Progr ammin g Refere nce SCPI Instrume nt Command List Command :VOL T[1|2] Long [:SOURce]:VOLTage[1|2] [:LEVel][:IMMediate][:AMPLitude] Form Set & Query Parameter Num eric Parameter suffix V with enginee ring pr efixes. *RST value 1 .00 V Specified Lim its Agilen t 8113 1A: 0.1 0 Vpp to 3.8 0 Vpp Agilen t 8113 2A: 0.1 0 Vpp to 2.5 0 Vpp V al[...]

78 Progra mming Refere nce SCPI Instrument Command List Specified Lim its Agil ent 8113 1A: 1. 95 V to 3.7 5 V Agil ent 8113 2A: 1. 95 V to 2.9 5 V V alue coupling Range co upling Amplitude Description Thi s command pr ograms t he offset voltage o f the OUTPUT si gnal. No te that to set the OUTPUT le vels in terms of v oltage, you first have [...]

79 Progr ammin g Refere nce SCPI Instrume nt Command List Range co upling Low-level Description Thi s command pr ogra ms the High -level volt age of th e OUTPUT signa l. Note that t o set t he OUTPUT levels in terms of voltag e, you fir st have t o exec ute th e [:SOUR ce]:HO LD VOL Tage co mmand to enab le the [:SOUR ce]: VOLTage subsystem. The av[...]

80 Progra mming Refere nce SCPI Instrument Command List Command :VOL T[1|2]:LIM Long [:SOURce]:VOLTage[1|2] :LIMit[:HIGH] Form Set & Query Parameter Num eric Parameter suffix V with enginee ring pr efixes. *RST value +5 00 mV Description Use this co mmand to set /read the High- level voltage limit. If you s witch on vol tage li miting, the High[...]

81 Progr ammin g Refere nce SCPI Instrume nt Command List Command :VOL T[1|2]:LIM:ST A T Long [:SOURce]:VOLTage[1|2] :LIMit:STATe Form Set & Query Parameter ON | OFF | 1 | 0 *RST value OFF Description This comman d switches the out put limits on or o ff. When you sw itch on the output lim its cannot program the output-levels beyon d the progra [...]

82 Progra mming Refere nce SCPI Instrument Command List Command :ST A T us:PRESet Long :STATus:PRESet Form Even t *RST value Not Applicable Description Thi s command  Clear s all st atus gr oup event- regist ers  Clear s the err or queu e  Prese ts the s tatus gro up enab le-, PTR- , and NTR- regist ers as follo ws: Command :ST A T us:QUES[...]

83 Progr ammin g Refere nce SCPI Instrume nt Command List 1. :STATus:QUEStionable[:EVENt]? 2. :STATus:QUEStionable:CONDiti on? 3. :STATus:QUEStionable:ENABle 4. :STATus:QUEStionable:NTRansition 5. :STATus:QUEStionable:PTRansiti on Form *RST value Description Query Not Ap plicable This c ommand reads the event re gister in t he QUEStionable status g[...]

84 Progra mming Refere nce SCPI Instrument Command List Command :SYST :ERR? Long :SYSTem:ERRor? Form Query *RST value Not Applicable Description Use this command to r ead the instru ment er ror queu e. The instru ment erro r queue c an store up to 30 erro r codes on a first-in-f irst-out ba sis. When you read the error queue, t he err or number and[...]

85 Progr ammin g Refere nce SCPI Instrume nt Command List Specified li mits No. Key Description 255 No key pressed (Query only) 0 DA T A ENT RY 0 1 DA T A ENT RY 1 2 DA T A ENT RY 2 3 DA T A ENT RY 3 4 DA T A ENT RY 4 5 DA T A ENT RY 5 6 DA T A ENT RY 6 7 DA T A ENT RY 7 8 DA T A ENT RY 8 9 DA T A ENT RY 9 10 DA T A E NTRY . 11 DA T A E NTRY +/ [...]

86 Progra mming Refere nce SCPI Instrument Command List Description In query f orm, th is com mand reads the last key press ed. The bu ffer is emptied by *RST and returns the value -1 when e mpty . In set form, the comm and simulate s pressing a key on the frontpanel. Simul ated key-p ress ar e al so recor ded as t he l ast ke y pre ssed. NOTE :SYS[...]

87 Progr ammin g Refere nce SCPI Instrume nt Command List Command :SYST :PRES Long :SYSTem:PRESet Form Same as *RST Command :SYS T :SEC Long :SYSTem:SECurity[:STAT e] Form Set & Query Parameter ON |OFF *RST value OFF Description CAUT ION Do not switch on system securit y unless you are w illing to erase th e instrument settings stored in the in[...]

88 Progra mming Refere nce SCPI Instrument Command List Command :SYS T:SET Long :SYSTem:SET Form Set & Query Parameter Bl ock data *RST value Not applica ble Description In query f orm, th e comm and re ads a b lock of data contai ning the instrument 's complete set -up. The set-up in formation includes all parameter and mode settin gs, bu[...]

89 Progr ammin g Refere nce SCPI Instrume nt Command List Command :SYST :W A RN:STR? Long :SYSTem:WARNing:STRing ? Form Query *RST value Not applica ble Description Use th is command to read all the curr ently act ive warnin g messages . The warni ng messages are con catenate d to fo rm a single string with a ; as separator between the messages. Co[...]

90 Progra mming Refere nce SCPI Instrument Command List Description Use this co mmand to set /read the number o f trigge r event s (pul se periods) to be generated for each a rming event in pulse and burst m ode (in patt ern m ode t he numb er of tri gger even ts depend s on the us ed sequence ). This corresp onds to selecting the event mode on the[...]

91 Progr ammin g Refere nce SCPI Instrume nt Command List Influence of :T RIGger :COUN t and :TR IGger:C OUNt:P ULSes[ 1|2] in started burst mod e: :ARM:SOUR IMM Set continuous mode TRIG:COUN 1 Set Pulse mode :ARM:MODE STAR Prepare st arted mode :TRIG:COUN:PULS1 20 Set number of pulses on channel 1 to 20 :TRIG:COUN 5 Set Burst mode with a length of[...]

92 Progra mming Refere nce SCPI Instrument Command List Command :TRIG:COUN:PULS[1|2] Long :TRIGger[:SEQuence[1] | :STARt]:COUNt: PULSes[1|2] Form Set & Query Parameter Num eric *RST value 2 Specified li mits 2 to 65504 Description Use this co mmand to set/r ead the n umber of pulse s withi n a burst at OUTPUT 1 or OUTPUT 2. Exam ples To s e t S[...]

93 Progr ammin g Refere nce SCPI Instrume nt Command List Command :TRIG:SO UR Long :TRIGger[:SEQuence[1] | :STARt]:SOURce Form Set & Query Parameter IMMedia te | IN Tern al [1] | EX Tern al2 *RST value INT Description Use th is command to sele ct the pulse pe riod sour ce of the Agil ent 8113 0A by s electi ng the s ource of the puls e perio d [...]

94 Progra mming Refere nce SCPI Instrument Command List[...]

95 3 3 Specifications In this chapte r you w ill f ind the specifi cation s of t he Agi lent 81 130A Pulse Gene rator and its outpu t modules Agi lent 81131A and Agilent 81132 A. At the end of th is ch apter , Pulse Parameter Definitions on page 111 provides detailed informa tion on the defini tion of the pulse para meters used by the instrum[...]

96 Speci ficat ions Declar ation of Conf ormity Declaration of Conformity Manufact urer Agil ent T echnologi es Boeblingen Verification Solutions Herrenberger Str .130 D-71034 Boeb lingen/Ger many W e declare that the sys tem: Agilent 81100 Family o f Pulse-/Data Generat ors Agilent 81110 A 330/165 MHz Puls e/Pattern Gene rator Agilent 81104 A 80 M[...]

97 Specificati ons Agilent 81130A Spec ifications Agilent 81130A Specifications General Environment al Conditions Safety IEC1010 , CSA101 0 Power requirem ents 100240 V ac, ± 10%, 5060 Hz; 100120 V ac, ± 10%, 4 00 Hz Power co nsumption: 300 V A max. Maximum Dimensi ons (H x W x D) 89 mm x 4 26 mm x 521 mm Operating temperature: 0 ° C to[...]

98 Speci ficat ions Agilent 81130A Specifications W eight Net 8.5 kg Single Channel 9.2 k g Dual Ch annel Shippin g 13.8 kg Dual Channe l Recalibra tion period 1 yea r reco mmended Wa r r a n t y 3 years st andar d Acoustic Noise Emission For ambie nt temper ature up to 30 ° C, under nor mal operation a nd at the typ ical operato r position: LpA =[...]

99 Specificati ons Agilent 81130A Spec ifications T iming Specifications The ti ming chara cterist ics ar e measured at 50 % amplitu de at fast est transitions in co ntinuous mode a nd 50 Ω load impe dance. NOTE The Agi lent 8113 0A is design ed and rec ommende d for an operation in the freque ncy ran ge of 17 0 kHz to 400/66 0 MHz. Howe ver it c[...]

100 Speci ficat ions Agilent 81130A Specifications W idth The width can be enter ed as absolute wi dth, duty cycle, or traili ng edge delay . Delay Measured be tween trigge r output and ma in output. Can be en tered as absolute de lay , phase ° or % of pe riod . Wid t h Agilent 81130 A with Agilent 81131 A Agilent 81130 A with Agilent 81132 A Widt[...]

101 Specificati ons Agilent 81130A Spec ifications Deskew Compensati on for d iffere nt cable delays . For fr equencie s >170 kHz o nly . T ransition T imes Measur ed bet ween 10% and 9 0% of ampli tude, except for ECL l evels (2 0% and 80% of amplitude). Digital Channel Add In this mode, cha nnel 1 and chann el 2 are added a nd fed to chan nel [...]

102 Speci ficat ions Agilent 81130A Specifications Main Output Level Spec ifications Level para meters ca n be entered as high/low level in terms of vo ltage or curr ent o r of fset /am pli tude . Level Spec if icat ion s Agilent 81130 A with Agilent 81131 A Agilent 81130 A with Agilent 81132 A Output impedan ce: 50 Ω ± 1% typ. 50 Ω ± 5% typ.[...]

103 Specificati ons Agilent 81130A Spec ifications External Input, Exte rnal Clock/PLL Reference In put Exter nal Input The ex tern al input E XT IN PUT is used as trigg er/gat e input in start ed and gat ed mo de. I t i s samp led once p er pe rio d. External Clock/PLL Reference Input The CLK -IN/REF input ca n either be used for ex ternal clo ck [...]

104 Speci ficat ions Agilent 81130A Specifications Specifications of EXT INPUT /CLK-IN REF Input Input Para meter s Ex tern al Inp ut (EX T IN) External clock/P LL refe ren ce ( CLK- IN/ RE F) Connectors: SMA(f) 3. 5 mm T e rmination v oltage: 2.10 V to +3.30 V T e rmination v oltage resolution: 50 mV Input T ransitions: < 20 ns Maximum input[...]

105 Specificati ons Agilent 81130A Spec ifications T rigger Modes Continuous Generate co ntinuous pulses, bu rsts, or patterns. Exte rnally Started Each activ e input transition ( rising or falli ng) genera tes pulses, a burst, or a pattern. The tri gger s ource can be selec ted fro m:  Extern al Inp ut  MAN key Exte rnally Gated The active i[...]

106 Speci ficat ions Agilent 81130A Specifications Specificatio n of T rigger Output This output pro vides one pu lse per period with 50% duty cyc le typically . In pattern mode , the trigger pulse can be set to mark the start of any segment. Output M odes The output mode determines whethe r the output signal consists of  pulses  bursts of pu[...]

107 Specificati ons Agilent 81130A Spec ifications Burst Mode Patterns and Sequences Burst Agilen t 8113 0A Burst count: 2 to 65504 Burst period a : a Minimum number of clocks is twice the s egment length resolution (see ta ble Patterns and Sequenc es). 2 to 65504 clocks Patte rns/Sequences Specific ations Agilent 81130A Number of s egments: [...]

108 Speci ficat ions Agilent 81130A Specifications The following r ules apply for pattern seq uences:  The reso lution of the segm ent length v alue depe nds on the frequenc y:  If the c ounted lo op is us ed, the minimum leng th of the f irst se gment is twice the re solution.  An infi nite lo op over a singl e segment r equires a minimum[...]

109 Specificati ons Agilent 81130A Spec ifications Help K ey Displ ays a conte xt-sensit ive mess age ab out the sele cted para meter . Concept help for gett ing st arted is also availa ble. If warnings or err ors occur , the HELP key d ispla ys t he warni ng/err or li st acc ordi ngly . Memory Non-V ola tile Memory Actual setting is sa ved on powe[...]

110 Speci ficat ions Agilent 81130A Specifications Programming T imes (all checks an d displ ay off) Command T ypical execution time W idth, delay , transition times: 40 ms to 70 ms Period within one range a : a Range depends on segment length resolutio n. 100 ms to 260 ms Period between different range s a ... ... in pulse/burst mode: ... in patte[...]

111 Specificati ons Pulse Parameter Definiti ons Pulse Parameter Definitions Here you f ind t he pu lse par amet er de fin ition s of t erms used i n th e instru ment sp ecific ations. In the follow ing fi gure a grap hical overvie w of the pulse par ameters is prov ided: Pulse Delay Del ay B Interchannel Del ay Ske w Channel B Output Channel A Out[...]

112 Speci ficat ions Pulse Paramete r Definitions T ime Reference Point The ti me referen ce poin t is at th e median of the amplit ude (50% amplitud e point on pulse ed ge): Pulse Period The ti me inter val bet ween the leadin g edge medi ans of co nsecutiv e output pulse s: Tr i g g e r D e l a y Interv al betwe en trigg er point of the exte rnal[...]

113 Specificati ons Pulse Parameter Definiti ons practice, start points may shift with changes in transi tion time) when transi tion ti mes are varied. Th is is more con venient for prog ramming and the width di splay is easy to int erpr et. Pulse Delay Interval betwe en leading edge medians of trigge r output pulse and output pulse: The spe cified[...]

114 Speci ficat ions Pulse Paramete r Definitions T ransition T ime Interv al between the 10% an d 90% a mplitude points o n the lea ding/ trailing edge: Linearity Peak d eviati on of a n edge fro m a st raight line through the 10% an d 90% amplitud e points, expre ssed as percenta ge of pulse am plitude: T ransition Ti m e 10% Amplitude 90% Amplit[...]

115 Specificati ons Pulse Parameter Definiti ons Jitte r Short-ter m instabili ty of one edge relative to a referen ce edge. Usua lly spec ified as rms value, which is on e stan dard de viatio n or  sigma . If distribution is assumed Gaussian, six sigma represents 99.74 % of the peak-pe ak jitter . The re ference edge for peri od jitt er is t[...]

116 Speci ficat ions Pulse Paramete r Definitions Presho ot, Overshoo t, Ringing Preshoo t and overshoot ar e peak distortions p receding/fol lowing an edge. Rin ging is the posi tive-peak and negative -peak distor tion, excludin g overshoot, on pul se top or base. F or example , a combined preshoot, oversh oot, and ringin g specification of 5% imp[...]

117 Specificati ons Pulse Parameter Definiti ons Repeat ability When an i nstrumen t oper ates under the s ame enviro nmental co nditi ons and wit h the sam e settings, the va lue of a pa rameter w ill lie withi n a band inside the accuracy w indow . Repe atability defines the w idth of this ba nd. Repeatability Band Accuracy Window[...]

118 Speci ficat ions Pulse Paramete r Definitions[...]

119 Index A Acou stic Nois e Emis sio n 98 Added at Output 1 45 Amplitude definition 115 Amplitude current 60 Amplitude volta ge 77 Automatic restart the instrument 45 B BURST leng th 89 , 92 mode 89 , 92 number of pulses 92 period 89 , 92 Burst Mode specifi cation 107 C Certifi cation met s pecif icatio ns 5 Channel a ddition 45 Clear Error Queue [...]

120 Index Human Interface 108 I Infinite L oop 46 , 47 , 108 Instrument Setti ng 88 Interchannel Delay definitio n 113 J Jitter definitio n 115 K Key-code Referenc e 86 L Last Key Pressed 84 Leading E dge 72 definitio n 114 Level specifi cation 102 Linearity definitio n 114 Load file i nto memory 58 Loop Length 48 Loop Start 47 LOW 53 Low-level cur[...]

121 Index Pulse Frequency 65 Pulse Leve ls definition 115 Pulse Parameter definitions 111 Pulse Performance definition 116 Pulse Period 70 definition 112 source 93 Pulse Width 75 definition 112 Q Questionable Status 24 Group 82 R Range Couplin g 42 Readin g Err or Qu eue 84 Keyboard 84 Recalibration period 98 Repeata bilit y definition 117 Reset 87[...]

122 Index Transition Time s 72 definitio n 114 specifi cation 101 Transition Units 72 Trigger Del ay definitio n 112 Trigger Modes specifi cation 105 TRIGGER OUT level 74 mode 74 posit ion 74 V Value Coupling 42 Voltage Lim its 81 W Warnings 88 , 108 Warranted Performance 95 Warranty 98 Weight 98 Width specifi cation 100[...]

7 4 8 9 5 6 123 O . +/- nano micro Mega milli kilo ENTER MAN STORE HELP SHIFT DATA ENTRY CURSOR/ DIGIT MODIFY LOCAL AUTOSET RECALL PERIOD DELAY WIDTH LEAD TRAIL HIGH L OW ON | OFF1 KNOB CURSOR Keys ENTER & UNIT Keys DATA ENTRY / QUICK ACCESS Keys Special FUNCTION Keys Front Panel Controls ON | OFF1 ON | OFF2 ON | OFF2 PATTERN[...]

Copyright Agilen t T echnologies 1998 , 2000 Edition E0 300 Printed in Germany 81130-9102 1[...]