Agilent Technologies E1446A manual

Ag ilent 750 00 S eries C Agilent E1 446A Su mmin g Amp li f ier/ DAC Modu le User’s Manual a nd SCPI Programming Guide Where to F ind it - Online and Printed Information: Syste m ins tallat ion (har dwar e/softwa re ) ........ .... . VXIb us Con fi gurati on Guid e* Ag ilent VIC (VXI in st allati on so ftware )* Modul e confi gur at i on an d wi[...]

Table o f Conten ts Warran t y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Safet y Sy mbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 WARNI NGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Declar atio n o f C onfo rmity . . . . . . . .[...]

3. Command Refer ence Chap ter C on tent s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Comman d Ty pes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Commo n C ommand Form at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 -2 SCPI C ommand Form at . . . . . . . . . .[...]

INPu t2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 0 :ATTen uat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 -10 :IMPe dance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 OUTPut 1 . . . . . . . . . . . . . . . . . . . . . . . . .[...]

A. Sp eci fi ca t io n s Appen dix Cont ents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A- 1 Input s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Outpu ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Gain Ch aract erist ic s . . . . . . [...]

Certi fication Agile nt Te chnol ogies c ertifi es tha t this pro duct met its publis hed s peci fic ations at the time of sh ipme nt fr om th e fa c tory. Agil ent Tech nolog ies fu rth e r certi fies th at its calibr a t ion measure ments are trac eable to the Un it ed Stat es Nati onal In stitute of Stan d ards an d Techn ology (fo rmerly N atio[...]

Frame or chassi s gro und te rmin al—t ypical ly conne cts t o the eq uipme nt’s me tal fr ame. Al ter n at i ng c u rr en t ( A C). Dire ct cu r r ent ( DC ) . Indi ca tes ha za rdous v ol ta ge s. Ca lls att e nt ion t o a pr oce dure, pract i ce , or c on- dit i on t hat coul d ca use bodi l y inj ury or de at h. Ca lls atte nt io n to a pr [...]

DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Agilent E1446A Summing Amplifier/DAC User’s Manual 7 Manufacturer’s Name: Agilent Technologies, Incorporated Manufacturer’s Address: 815 – 14 th St. SW Loveland, Colorado 80537 USA Declares, that the product Product Name: Summing Amplifier/DAC Model Number: E14[...]

Notes 8 Agilen t E144 6A Summing Amplifier/DAC Use r’s Manual[...]

C ha p ter 1 Getting Started Chapter C ontents This c ha pter pr ovi de s a desc rip tion of the Agi lent E 1446 A Sum mi ng Ampli fier/DAC m odul e and describ es how to i nst al l, c onf ig ure, and prog ram it. The mai n s ection s of this chapter are : • Ge neral Des crip tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 1[...]

Device In form ation Device typ e: re gister -bas ed C- siz e (1 slot ) Address ing modes: A16 VXIbus Revi si on Co mplianc e : 1. 3 SCPI Revi sio n: 199 1. 0 See sid e of modul e for power /c ool in g requi rements Figure 1-1. T he E1446A Summing Amplifi er/DAC. 1-2 G ettin g Started Gene ral Descrip tion[...]

Preparat ion for U se This se c ti on shows you how to co nf igu re the m odul e, inst al l i t in the Agile nt 75000 Serie s C mai nf ram e, addre ss th e module , and do wnlo ad the SC PI d r iv er . No te The fo ll owin g VXIbus c onf ig uratio n inform atio n pe rta ins to th e Agile nt E1 446A Summ in g Ampl ifi er/DAC. For mor e (VXIbu s) sys[...]

(Agil en t E14 46A) log ical addr e ss or the ( Agil ent E1 445A/ E14 05/ 06) ser vant ar ea m ust b e set su ch that the Agilen t E1446A i s in t he s ervan t are a of it s in te nd ed c om ma nd e r . Inst all i ng th e Amp lifier The Agilent E 1446 A Ampl ifier /DAC can be in stal le d in any ma inf ra me slo t, excep t sl ot 0. I f the Agil ent[...]

Addres sing t he Amp li f ier The Agi lent E1446 A Summing Amp li fie r/DAC ca n be add ressed by an exter na l c ont r oll er or by an embe dd ed con trol ler. This se c ti on de sc r ibes how to ad dr es s the a mpl if i er usi ng an exte r na l c ont r oll er with t he Agilent E1445 A AFG, with the Agil e nt E1 405/06 C omm and Mod ule , an d wi[...]

Seco nda ry GPI B Add res s : Determ ined by d ividing th e l ogical a ddress of th e devi c e by 8. If the ampl ifier is us ed with the Agil ent E1 445A, the seconda r y a ddr e ss is the E14 45A lo gical add r es s/8 . If the am pl if ie r is us ed with th e Agilent E1405/0 6 Comma nd Module , t he secon da ry add ress is th e E1446A l ogica l ad[...]

Usin g a n Em be dd e d Controller The Agi le nt E1446 A Sum mi ng Amp lifier/DAC can be programme d ac ross the VXIb us backplan e ( select c ode 16) fro m an embedded cont roller, such as the Agi lent E1480 A V/360. Wi th this con fi gura ti on, c omm unic atio n with th e regis ter -b as ed am pli f ie r modu le can be a ccom plish ed via fo ur [...]

IBAS IC , or B A SI C/ UX. Do w nlo adab le drive r ca pa bi lity is ava il able on th e Agilent E 1406 and on the E140 5 with fir mwar e revisi on A. 06. 00 or l ate r. To verify t he firmwa re r ev isi on of th e Comman d Modu le, you c an use the *IDN? Com mand: 10 DIM A $[40] 20 OUT PUT 70900;"*IDN?" 30 E NTER 70900;A $ 40 PRINT A$ 50[...]

Ampli fier Bloc k Diagr am Figur e 1- 4 shows a block dia gra m of th e Agilent E144 6A Summi ng Amplifier/DAC. Input The Agi lent E 1446 A Sum mi ng Amp lifie r/DAC has t wo input c ha nne l s tha t have ide nt ical i nput am pl if ie r s wit h in depe nde nt ly cont ro ll e d inp ut imped ance and input at tenuat ion. Th e in put am plifier at te[...]

to 50 Ω or 75 Ω, or to 0 Ω for dri vin g into hi gh impe da nce . The out put volta ge c an be att e nua te d by ei the r 0 or 20 dB whe n 50 Ω or 75 Ω out pu t imped ance is sel ected . Output at tenuat ion i s unavai lable wi th th e 0 Ω mode (hig h im peda nc e). The mai n output termin al may be en ab le d or dis abled und er user c[...]

O ffset D AC A pre cision (DAC) allows the Agilent E14 46A to provide DC offset volta ge le ve l s. Th e DAC inpu t is a comp lement ary offse t bi na r y co de . Th e full sc al e outp ut prov ides a pprox im at e ly ± 10V in to 50 Ω or 75 Ω lo ad , or approxi mat ely ± 2 0 V int o hi g h im pe da nc e. Basic Op erati on Gett ing Sta rted 1-[...]

1-12 Gett ing Sta rted Basic O per ation[...]

Ch a p t e r 2 Prog rammi n g th e A gil e nt E1446A Ch a p t er Co n t en t s T h is ch a p t e r sho w s y o u h o w t o p r o gr a m t h e A g i le n t E 1446A u sing SCP I Com m a nd s . The prog ram m i ng ex a m pl e s f ound i n the c hapter are w r i tten i n B A S IC . The m a i n s ec ti ons of the c hap ter ar e: • I n st r u me n t a [...]

OUTPut2 :ATT en uati on < atte nuati on > :I M P ed an ce < i mpedance > : O V E Rl oa d? [ qu er y on l y] [: S T ATe ] < mo de > :AC Tual? [que r y o nly ] OUTPut2 is th e root ke ywor d of the c omm and, :ATT enua ti on, :IMP ed an ce, :OVE Rl oa d?, and [ :S TATe ] are se co nd le ve l key w or ds, an d :AC Tua l? is the thir [...]

Ex ecut in g Co uple d Commands The li st bel ow id enti fies ru le s to follo w when exe c ut ing coup le d c omm ands: • Couple d c om mands must be con ti guous an d ex ecut ed in t he same progra m st a te me nt . T his d one by pl aci ng th e com ma nds in the sam e progra m l ine , or by supp ressing the en d- of-l in e term ina t or unti l[...]

Ins tru men t Dr iv er and Ex ample Pr og r ams D i sks The E 1446A i nstru ment d river and the exampl e pro gram s cont ained in t his manu al are loc a ted on the fo ll owin g dis ks: • Agile nt E14 46A In strum e nt Driver and BASI C Examp le Program s - 3.5" 720 kbyt e disk LIF For m at (E144 6-1003 1) • Agile nt E14 46A In strum e nt[...]

Introductor y Progr ams The in tr odu ctory pr ogr a ms in th is sec ti on i nclud e: • Exec uti ng t he Ag il ent E14 46A self - te st . • Resett in g the Agi le nt E1446 A and clear in g the Er r or Queu e. • Querying the Agil e nt E1 446A po wer-on/ reset se tt ings. The in tr odu ctory pr ogra m e xa mp le s in this sect io n were writt e[...]

Re sett in g and Cl eari ng the A gile nt E1 44 6A The co mmand s to r eset and clear t he am plifie r ar e: *RST *CLS Reset ting th e ampli fier set s it to its powe r - on c onfig urat io n. Clea ring status on the ampl ifier clears the error que ue. Resetting and Clearing the Agilent E1446A 1 !Res etting and clearing t he Agil ent E1446A 10 ! A [...]

LRN 1 !RE - STOR E "LRN " 10 !Assign an I/O path bet ween the computer and the amplif ier. 20 ASSIGN @Amp TO 70911 30 !Call the subprogram 40 Lrn_conf(@Amp) 50 END 60 ! 70 S UB Lrn_c onf(@Amp) 80 Lrn_conf : !subpr ogram which queries t he amp r eset configur ation 90 DI M Lrn$[1000] 100 OUTPUT @ Amp;"*LRN?" 110 ENTER @ Amp;Lr n$[...]

Example Programs The ex amp le pr ograms i n this sec tion i nclude: • Generati ng a nd amp lifying sine wa ve s • Selec ti ng t he inpu t im pedanc e • Usin g the di ffe r en ti al (sma ll signa l) out puts • Sett in g a DC o ffse t volt age • Summi ng t w o sig nals These pr ogr ams configur e the ampl ifi er accor di ng to the bl oc k [...]

Generating and Amplifying Sine Waves The ex amples in this sectio n show y ou how to am plif y a sine wav e gener ate d by th e Agilent E144 5A. In the firs t progr a m, th e E1446A i s a serva nt of the E14 45A AFG. In the se c ond pr og ram, the E1446 A ampli fie s the si gna l from the E144 5A, howe ver; the E14 46A is in th e servant are a of t[...]

4. Set th e a m pl if ie r inpu t im peda nc e to m atc h the A F G out pu t lo a d . IN Put [1 ] :I M P ed an ce < i mpedance > 5. Set th e am pl if ie r in pu t at t e nua t io n . INPut[ 1] :ATT enuati on < atte nuati on > 6. S et t he amplifi er ou tpu t i mpe danc e. OU TP ut2 :IMP ed an ce < i mpedance > 7. Set th e a m pl i[...]

90 OUT PUT @A fg ;"* CLS " 100 O UTPUT @Afg;"*SRE 32" 110 O UTPUT @Afg;" *ESE 60" 120 ! 130 !Call t he subprograms 140 Rs t 150 S i ne_wave 160 ! 170 W AIT .1 ! allow int errupt to be s erv ic ed 180 O FF INTR 7 190 E ND 200 ! 210 S UB Sine_wave 220 Sine_wave: !Subprogram which sets the E1445A to output a s i ne wave 2[...]

550 RE PEAT 560 OUTPUT @Afg;"SYST:ERR?" ! r ead AFG error queue 570 ENTER @Afg;Code,Message$ 580 PRINT Code,Message$ 590 UNTIL Code=0 600 STOP 610 S UBEND Amplif ying Si ne Wa ve s (A g il en t E1 40 5 C om ma n der ) This pr ogra m us es the sa me co mm ands and se que nc e as previ ously descr ibed, e xc ep t for the OUTPu t[ 1] co mm a[...]

150 O UTPUT @Amp;"*CLS" 160 O UTPUT @Amp;"*SRE 32" 170 O UTPUT @Amp ;"*ESE 60" 180 ! 190 !Call t he subprograms 200 Rs t 210 S i ne_wave 220 ! 230 W AIT .1 ! allow int errupt to be s erv ic ed 240 O FF INTR 7 250 E ND 260 ! 270 S UB Sine_wave 280 Sine_wave: !Subprogram which sets the E1445A to output a s i ne wave 290 [...]

610 IF BIT (B ,6) THEN !AFG requested service 620 !End of statement if error occurs among coupled c ommands 630 OUTPUT @Afg;"" 640 OUTPUT @Afg;"ABORT" !abort output waveform 650 PRINT "E1445A errors" 660 PRINT 670 REPEAT 680 OUT PUT @Afg; "SYST:ERR?" !read A F G error queue 690 E NT ER @Afg;Code,Mes sage$ 700[...]

atte nuation (dB) = 20 LOG (V o /(V i * 10)) where V o is the out put am pl itude an d V i i s the in put signal am pl it ude (V o and V i unit s ( V pp, Vp) must be the sa me ). Th us, atte nuation (dB) = 20 LOG (6.3/10) = - 4 dB Again , the (mai n) out put of the AFG is conn ected to ’In put 1’ of th e ampli fier. The s teps o f this pro gram[...]

8. Place th e AFG in th e wait-fo r-arm state. INIT iate :IM Media te No te Resett in g the a mpl if i er sets ma ny of the sa me c ondi ti ons set by sub seque nt ( amplifier) co mmand s in t he pro gram. These comman ds are incl uded, however , t o show ot her part s of the am pl ifier co nfigu ration . IN_IMP45 1 !RE-STORE"IN_IMP45" 2 [...]

280 ! 290 !Set up amplif ier 300 OUTPUT @ Afg; "I NP1:IMP 75" !input impedance 310 OUTPUT @ Afg; "I NP1:A TT 4" !input attenuation (dB) 320 OUTPUT @ Afg; "OUTP2:IMP 50" ! main output impedance 330 OUTPUT @ Afg; "OUTP2:A TT 0" !main out put attenuati on (dB) 340 ! 350 OUTPUT @ Afg; "I NIT:IMM" !E1445[...]

In thi s exa mpl e , t he E1446 A is a servant to t he E1405 . As su ch, comma nds sent to th e ampli fi e r (at se c onda ry GPIB address 11) are parse d by the Comm and Modu le rat her than by th e E1445A. IN_IMP05 1 !RE-STORE"IN_IMP05" 2 !This program set s the AFG’s output impedanc e and output load 3 !to 75 ohm s. The Agilent E1446[...]

340 !Set up amplif ier 350 OUTPUT @ Amp;"I NP1:IMP 75" !input impedance 360 OUTPUT @ Amp;"I NP1:A TT 4" !input attenuation (dB) 370 OUTPUT @ Amp;"OUTP1:IMP 50" ! main output impedance 380 OUTPUT @ Amp;"OUTP1:A TT 0" !main out put attenuati on (dB) 390 ! 400 OUTPUT @ Afg; "I NIT:IMM" !E1445A wai t-fo[...]

800 PRINT 810 REPEAT 820 OUT PUT @Amp;"SYST:ERR?" !read A MP error queue 830 E NT ER @Amp;Code,Message$ 840 P RI NT Code,Message$ 850 UNTIL Code=0 860 END I F 870 STOP 880 S UBEND Setting DC Voltage Offset s Thes e exam ples s how y ou how to use the a mplif ier t o add a DC o ffset to a signa l su pplie d by t he E1445 A. In the first ex[...]

5. Set th e am pl if ie r in pu t at t e nua t io n . INPut[ 1] :ATT enuati on < atte nuati on > 6. Set th e a m pl ifie r m ain outp ut im p ed a n ce. OU TP ut2 :IMP ed an ce < i mpedance > 7. Set th e a m pl ifie r m a in outp ut at ten uat io n. OUTP ut2 :AT T enua ti on < atte nuati on > 8. S et the DC offs et value. SOURce 2[...]

60 !Set up error c heck i ng 70 ON INTR 7 CALL Errmsg 80 ENABLE INTR 7;2 90 OUT PUT @A fg ;"* CLS " 100 O UTPUT @Afg;"*SRE 32" 110 O UTPUT @Afg;" *ESE 60" 120 ! 130 !Call t he subprograms 140 Rs t 150 O ffs et 160 ! 170 W AIT .1 ! allow int errupt to be s erv ic ed 180 O FF INTR 7 190 E ND 200 ! 210 S UB Offset 220 Off[...]

510 !Read AFG status byte r egister and clear serv ice request bit 520 B=SPOLL(@Afg) 530 !End of statement if error occurs among coupled c ommands 540 OUTPUT @ Afg; "" 550 OUTPUT @ Afg; "ABORT" !abort output wavef orm 560 RE PEAT 570 OUTPUT @Afg;"SYST:ERR?" ! r ead AFG error queue 580 ENTER @Afg;Code,Message$ 590 PRINT[...]

40 COM @ Afg ,@ Amp 50 ! 60 !Set up error c heck i ng 70 ON INTR 7 CALL Errmsg 80 ENABLE INTR 7;2 90 OUT PUT @A fg ;"* CLS " 100 O UTPUT @Afg;"*SRE 32" 110 O UTPUT @Afg;" *ESE 60" 120 ! 130 O UTPUT @Amp;"*CLS" 140 O UTPUT @Amp;"*SRE 32" 150 O UTPUT @Amp ;"*ESE 60" 160 ! 170 !Call t he subp[...]

500 ENTER @ Amp;Compl ete 510 S UBEND 520 ! 530 S UB Errmsg 540 Errmsg: !Subprogram whi ch display s E1445/E1446 programming errors 550 COM @Afg,@Amp 560 DIM Message$[ 256] 570 !Read AFG (at sec addr 10) status byte regist er, clear servic e 580 !request bit 590 B=SPOLL(@Afg) 600 IF BIT (B ,6) THEN !AFG requested service 610 !End of statement if er[...]

Using the Dif ferent ial (small signal) Outputs These e xa mpl es show yo u how to use the ampl ifier ’ s diff e rent ia l (small signa l) out put s. Note th e followi ng when us ing the out put s: • the di ffe r en ti al (sma ll sign a l) out puts are de sig ned fo r high-fr eq uenc y and low-power sou rce ap plic atio ns. • with no a tt enu[...]

6. Set th e am pl if i e r ’D i f f + ’ and ’D i f f - ’ o ut pu t i m pe d an c e s . OU TP ut3 :IMP ed an ce < i mpedance > OU TP ut4 :IMP ed an ce < i mpedance > 7. Place th e AFG in th e wait-fo r-arm state. INIT iate :IM Media te No te Resett in g the a mpl if i er sets ma ny of the sa me c ondi ti ons set by sub seque nt ([...]

170 W AIT .1 ! allow int errupt to be s erv ic ed 180 O FF INTR 7 190 E ND 200 ! 210 S UB Diffout 220 Diff out: !Subprogr am which s ets up t he E1445A and E1446A 230 COM @Afg 240 OUTPUT @ Afg; "SOUR:FRE Q1:FIX 1E3;"; !frequency 250 OUTPUT @ Afg; ":SOUR:FUNC:S HAP SQU;"; !functi on 260 OUTPUT @Afg;":SOUR:VOLT:LEV:IMM:A MPL [...]

Usin g the Dif fer en ti al Ou tput s (A gile n t E1 40 5 Commander) This pr ogra m us es the sa me co mm ands and se que nc e as previ ously descr ibed, e xc ep t for the OUTPu t2 a nd OUTP ut 3 co mm ands sho w n below: 6. Set th e ampl ifier ’Di ff +’ and ’Diff - ’ out pu t imped ances. OU TP ut2 :IMP ed an ce < i mpedance > OU TP [...]

240 ! 250 S UB Diffout 260 Diff out: !Subprogr am which s ets up t he E1445A and E1446A 270 COM @Afg,@Amp 280 OUTPUT @ Afg; "SOUR:FRE Q1:FIX 1E3;"; !frequency 290 OUTPUT @ Afg; ":SOUR:FUNC:S HAP SIN;"; ! f unc tion 300 OUTPUT @ Afg; ":SOUR:VOLT: LE V:IMM:A MPL MIN;"; !amplitude (.161869 Vpk) 310 OUTPUT @ Afg; ":OU[...]

700 STOP 710 END I F 720 ! 730 !Read AMP (at sec addr 11) st atus byt e regis ter, clear serv ice 740 !request bit 750 B=SPOLL(@Amp) 760 IF BIT (B ,6) THEN !amplifier request ed service 770 !End of statement if error occurs among coupled c ommands 780 OUTPUT @Amp;"" 790 PRINT "E1446A errors" 800 PRINT 810 REPEAT 820 OUT PUT @Amp[...]

3. S et the AFG fr equen cy, fu nc tion, a nd ampl itud e. [SOURce:]FREQ uenc y[1] [:CW|: FIXed] < fr equenc y > [SOURc e:]FUNC tion[:SHAPe] < shape > [SOURc e:]VOLTage[:LEVel][:IMMediate][: AMPLitude] < ampli tude > 4. Couple the AFG output load val ue to the output i mpeda nce valu e . OUTPut[1]:LOAD:AUTO < mode > OUTPut [[...]

20 ! Assign I/O pat hs between t he computer and E1445As. The E1445A at 30 !secondary address 10 i s the commander f or the E1446A. 40 ASSIGN @Afg80 TO 70910 50 ASSIGN @Afg88 TO 70911 60 COM @ Afg80,@Afg88 70 ! 80 !Set up error c heck i ng 90 ON INTR 7 CALL Errmsg 100 ENABLE INTR 7; 2 110 O UTPUT @Afg80;"*CLS" 120 O UTPUT @Afg80;"*SR[...]

460 !Set up the Agil ent E1446A 470 OUTPUT @ Afg80; "I NP1:IMP 50" !input 1 impedance 480 OUTPUT @ Afg80; "I NP1:A TT 0" ! input 1 attenuation (dB) 490 OUTPUT @ Afg80; "I NP2:IMP 50" !input 2 impedance 500 OUTPUT @ Afg80; "I NP2:A TT 0" ! input 2 attenuation (dB) 510 OUTPUT @ Afg80; "OUTP3:IMP 50" ![...]

880 B=SPOLL(@Afg88) 890 !End of statement if error occurs among coupled c ommands 900 OUTPUT @ Afg88; "" 910 OUTPUT @ Afg88; "AB ORT" !abort out put wavef orm 920 PRINT "E1445A (s econdary address 11)" 930 PRINT 940 RE PEAT 950 OUTPUT @Afg88;"SYST:ERR?" ! r ead AFG error queue (s ec addr 11) 960 ENTER @Afg88;[...]

2-36 Progr amming the Agilent E1446 A Sum ming T wo Si gnals[...]

C ha p ter 3 Command Reference Chapter C ontents This ch apt er descr ibes the Standa rd Co mmands for Prog rammable Inst r um ents (SCP I) comman d set a nd the IEEE 488.2 Common Commands for th e Agi lent E1446A Sum mi ng Am plifie r /DAC . Inclu ded in this chapte r ar e the follo wing s ections: • Comma nd T ype s . . . . . . . . . . . . . . [...]

Agilent E1446A / Agilent E1405/06 Com mands DISPlay 3-7 :MONitor [:ST ATe] . . . . . . . . . . . . . . 3- 7 INP u t[ 1] . . . . . . . . . . . . . . . . . . . . . . . . . 3 -8 :A T Tenu atio n . . . . . . . . . . . . . . . . . 3 - 8 :I M Pe d a nce . . . . . . . . . . . . . . . . . . 3-8 INP u t2 . . . . . . . . . . . . . . . . . . . . . . . . . . 3[...]

OUTPut2 :ATT en uati on < atte nuati on > :I M P ed an ce < i mpedance > : O V E Rl oa d? [ qu er y on l y] [: S T ATe ] < mo de > :AC Tual? [que r y o nly ] OUTPut2 is th e root ke ywor d of the c omm and, :ATT enua ti on, :IMP ed an ce, :OVE Rl oa d?, and [ :S TATe ] are se co nd le ve l key w or ds, an d :AC Tua l? is the th ir[...]

SCPI C ommand Paramet ers The foll owing in formati on cont ains e xpl anati ons a nd e xa mp les of the param e te r types f oun d in th is cha pt e r. Parameter Ty pes, Exp lan at ions , a nd Examples • Numeric Accept s a ll com monly u sed de cimal repre sentat ions of n umbers in cludi ng op ti ona l si gns, de c im a l poi nts, and sci e nti[...]

Indefi ni te leng th bloc k: #0<da ta byt e(s) >< NL^E ND> Exam ple s of sendi ng 4 dat a by te s: #14<byt e><by te><b yte><byt e> #3004<b yte>< byte> <byte><by te> #0<byt e><byt e><byte><b yte>< NL^END> Que ryin g Parame ter Sett ings U nle ss o t he r wis e [...]

This m eans t hat sen ding o ne o f th ese co mmand s can cha nge the value s et previo usl y by an oth er one of the se c omm ands. Of te n, thi s result s in “Set tings C onfl ict” errors wh en t he pr ogram execu tes . To p revent these errors t he se comma nd s must be ex ecut e d in a “C oup ling Gr oup” . Ref er to Chap te r 2 for in [...]

SCPI Command Reference Agilent E1446 / E144 5 Commands[...]

[...]

INPut[1] The INP ut[1] sub system contro ls th e input attenu ation and impe dance o f th e Agilen t E1446A’ s “In put 1” BN C. SubS ystem Syntax INP ut[1 ] :AT Te nuat ion < at tenu at ion > :IMP ed an ce < impe danc e > : AT Te n ua ti on INPut[ 1]:ATTen uation < attenuat ion > co ntro l s th e input at te nu ator of the ?[...]

Comments • Ex ecuta ble wh en initi ated : Yes • Coup li ng g r oup : none • *RST Co nd iti on: INPut1:I MPedan ce 50 Exam pl e S etting 7 5 Ω inpu t im pe da nc e INP :IM P 7 5 Set 75 Ω input imped ance INPut [1] : IMPed anc e 3-8 E 1446/E14 45 Comm and Refer ence INP ut[1] Sub system[...]

INPut2 The IN Put 2 sub syste m c ont rols t he inpu t a tt enuati on and im pe da nc e of the Agilent E 1446A’s “I nput 2” BNC. Subsystem Syntax IN Put2 :AT Te nuat ion < at tenu at ion > :IMP ed an ce < impe danc e > : AT Te n ua ti on INPut2:ATTe nuat ion < atte nu at io n > cont r ols the inp u t a tt e nua to r of the ?[...]

Comments • Ex ecuta ble wh en initi ated : Yes • Coup li ng g r oup : none • *RST Co nd iti on: INPut2:I MPedan ce 50 Exam pl e S etting 7 5 Ω inpu t im pe da nc e INP 2: IM P 7 5 Set 75 Ω input imped ance IN Pu t2 : IMP ed anc e 3-10 E1446/ E1445 Command Referen ce INPut 2 Subsystem[...]

OUTPut2 The OUTPu t2 subsyst em co ntrols t he char act eristic s of the Agilent E1 446A’s “Mai n Output ” BNC. Th e subsy stem sets th e outpu t att en ua ti on, sets t he outp ut so ur ce impe da nc e , m oni tors ov erl o a d co ndi ti ons, a nd e na ble s or di sables t he outp ut. Subsystem Syntax OU TPu t2 :AT Te nuat ion < at tenu a[...]

:IMP eda nce OU TPut 2: IMPed a nce < impeda nce > se ts t he outp ut imp edance of the “Main Out put ” BNC to eithe r 0 Ω , 50 Ω, or 75 Ω . OUTPut2 :IMPed an ce 0 sho uld be sel ect ed when an op en -ci rcuit or hi gh-impe da nc e lo ad is conne c ted t o the out put of the Agil e nt E1 446A. The ma tc hi ng i mpedanc e is re mo v [...]

Comments • A one (1) ret urn e d in respo nse to t he query indi cate s an ove rl oa d c ondi ti on exi sts . A zero (0) indi c at e s the re is not an ove rloa d c ondi tion. • Coup li ng g r oup : none • *RST Co nd iti on: non e Exam pl e Deter m in in g if an ove rload co nd itio n exis ts OUT P2:OV E R? dete rm in e i f ov e rlo ad con di[...]

Comments • A one (1) re turn ed in resp onse to the quer y ind icates t he ’Mai n Ou tput’ BNC is enable d. A zer o ( 0) indi c ate s the out put is di sabl ed . • Coup li ng g r oup : none • *RST Co nd iti on: non e Exam pl e Deter m in in g if the out p ut is e na bled OUTP2:STAT:ACT? dete r min e if the ou tpu t is e nabl e d OU TPu t [...]

OUTPut3 The OUTP ut3 subsy stem con trol s the out put im pedanc e of th e Agilent E144 6A’s “Diff Outpu t +” out put . Subsystem Syntax OU TPu t3 :IMP ed an ce < impe danc e > :IMP eda nce OU TPut 3: IMPed a nce < impeda nce > sets th e ou tpu t impe da nc e “Di ff Out put +” BNC t o ei ther 50 Ω or 75 Ω . Par ameters Par[...]

OUTPut4 The OUTP ut4 subsy stem con trol s the out put im pedanc e of th e Agilent E144 6A’s “Diff Output -” output. Subsystem Syntax OU TPu t4 :IMP ed an ce < impe danc e > :IMP eda nce OU TPut 4: IMPed a nce < impeda nce > sets th e ou tpu t impe da nc e “Di ff Out put -” BNC t o ei ther 50 Ω or 75 Ω . Par ameters Para m[...]

SOURce2:V OLTage The SOURce2:VOL Tage subsystem controls the output offset voltage at the Agilent E1446A’ s “Ma in Out put ” BNC. Subsystem Syntax SOURce 2 :VOL Tage [: LEVe l] [:I MMed iat e] :OFFSet < voltage > [:LE Vel] [: IMMe diat e]:O FFSet SOURce 2:VOLTag e[:LEVe l][ :IMMedi ate]: OFFSet < voltag e > sets t he o ffset volta[...]

STATus The ST ATus su bsyste m c ont rols the SCPI- de fi ne d Ope rat io n and Que sti ona bl e Signal statu s regi st ers. Each is c omp rised of a cond ition registe r , an eve nt registe r , an en ab le ma sk, a nd ne ga ti ve an d posi ti ve tra nsi tion f il ters. Each s tatus regis ter works as foll ows: wh en a condi tion occ urs, the ap pr[...]

Exam pl e Q ueryi ng t he Opera tion co n dition regi st er STAT :OPER? Query Op era tio n condi ti on r eg ist er :OPERation|Q UEStionabl e:ENABle STATus:O PERation|QUEStionable:ENABle < un mask > specifies whi ch bit s of the assoc iated ev ent regi ster are included i n it s s ummary bit. T he su mmary b it i s the bit-for-bit logical AND [...]

STAT :EVEN ? Qu ery Op era ti on event r egi ste r :OPER ation|Q UESti onable: NTRans ition STA T us : O PE R a t io n |QU E Sti o na bl e: N T Ra ns it io n < un ma s k > sets th e negat ive tran sitio n ma sk. For each b it un masked , a 1-t o-0 transi tion o f that b it in t he asso ciated c ond ition re gister will set t he sam e bit i n [...]

Comments • Ex ecuta ble wh en initi ated : Yes • Coup li ng g r oup : none • Related comma nds: S TATus su bsys te m, *S RE, *S TB? • *RST Co nd iti on: unaf f ect ed • Po we r- on C ond it ion: STATUS:OPE Rat ion |QUEStio nable : PTRansi ti on 327 67 :PRESet STATus:PRESet in it ia li zes t he en ab le r eg i st ers a nd t ra ns it io n m[...]

SYSTem The SYST e m su bsyste m r e turn s err or messa ge s a nd th e SCPI versi on numbe r to which the Agil e nt E1 446A com pli es. Subsystem Syntax SY ST em :ER Ror? [que ry o nly] :VE RSi o n? [qu er y on ly ] :ERRo r? SYSTem:E RROR? re turns the erro r mess ages in the e rro r queu e. Se e App endix B for a li st ing of po ssi ble e rror num[...]

Exam pl e Q uer ying t he SCPI revi sion SYST: VERS? Quer y S CP I revi s ion SYST em :VERSi on? SYST em Subsyste m E1 446/E1445 Comm and Refe rence 3 -23[...]

Sub syste m C om m a n ds IN P ut[ 1 ] INP ut[ 1 ] :A T T e n u a tion < a tten u a tion> IN Put [ 1] : I MPed an c e < im p ed an c e> IN P ut2 IN P ut2 :A T T e nu a tion < atte nua ti on> IN Put 2: I MPed an c e < im p ed an c e> OU T P u t2 OU T P u t2 :A T T e nu a tion < atte nua ti on> OUTP ut 2: IM Ped an c e &[...]

SCPI Command Reference Agilent E1446 / E14 0 5/06 Com mands[...]

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DISPlay The DISP la y sub syste m e na ble s t he ampli fier ’s set ti ngs (e.g. inpu t impe da nc e , i nput att en ua ti on, out put imp ed an ce, out put attenua t ion, .. .) to b e moni tored. W he n a displ ay term in al is conn ected to th e E1405 C omma nd Mod ule a nd mon itor mode is enab led, the E1 446A a mp lifie r set tings (a nd c h[...]

INPut[1] The INP ut[1] sub system contro ls th e input attenu ation and impe dance o f th e Agilen t E1446A’ s “In put 1” BN C. Subsystem Syntax IN Put[1 ] :AT Te nuat ion < at tenu at ion > :IMP ed an ce < impe danc e > : AT Te n ua ti on INPut[ 1]:ATTen uation < attenuat ion > co ntro l s th e input at te nu ator of the ?[...]

Comments • Coup li ng g r oup : none • *RST Co nd iti on: INPut1:I MPedan ce 50 Exam pl e S etting 7 5 Ω inpu t im pe da nc e INP :IM P 7 5 Set 75 Ω input imped ance INPut[1 ] :IM Pedan ce INPut[ 1] Su bsystem E144 6/E140 5/06 Com mand Ref erence 3-9[...]

INPut2 The IN Put 2 sub syste m c ont rols t he inpu t a tt enuati on and im pe da nc e of the Agilent E 1446A’s “I nput 2” BNC. Subsystem Syntax IN Put2 :AT Te nuat ion < at tenu at ion > :IMP ed an ce < impe danc e > : AT Te n ua ti on INPut2:ATTe nuat ion < atte nu at io n > cont r ols the inp u t a tt e nua to r of the ?[...]

Comments • Coup li ng g r oup : none • *RST Co nd iti on: INPut2:I MPedan ce 50 Exam pl e S etting 7 5 Ω inpu t im pe da nc e INP 2: IM P 7 5 Set 75 Ω input imped ance IN Pu t2 : IMP ed anc e INPut2 Subsyst em E1446 /E1405 /06 Comm and Refe rence 3 -11[...]

OUTPut1 The OUTPu t1 subsyst em co ntrols t he char act eristic s of the Agilent E1 446A’s “Mai n Output ” BNC. Th e subsy stem sets th e outpu t att en ua ti on, sets t he outp ut so ur ce impe da nc e , m oni tors ov erl o a d co ndi ti ons, a nd e na ble s or di sables t he outp ut. Subsystem Syntax OU TPu t1 :AT Te nuat ion < at tenu a[...]

Whe n O U T P ut1 :IMP edan ce is s et to e it her 50 Ω or 75 Ω, ei the r no out put at te nu atio n or 20 dB ma y be sele cte d. OUTPut 1:AT Tenua ti on m ust be set to 0dB when OUTP ut1:IMP edance i s s et to 0 Ω. Par ameters Para meter Name Pa ra me te r Type Range of Valu es Default Units im peda nc e n umeric 0|50| 75| MINimum|MAXimu m O[...]

[:S TATe ] OU TPut 1[ : STA Te ] < mo de > closes or ope ns t he ou tp ut rela y of the “ Ma in Out put” BNC t o en able or d isabl e the anal og outp ut. Wh en d isabl ed, t he o utput ap pear s as an open c ir cuit . Par ameters Pa rameter Name Para meter Ty p e Range of Va lues De fault Units mode bool ean OF F| 0|O N|1 non e Comments [...]

OUTPut2 The OUTP ut2 subsy stem con trol s the out put im pedanc e of th e Agilent E144 6A’s “Diff Outpu t +” out put . Subsystem Syntax OU TPu t2 :IMP ed an ce < impe danc e > :IMP eda nce OU TPut 2: IMPed a nce < impeda nce > sets th e ou tpu t impe da nc e “Di ff Out put +” BNC t o ei ther 50 Ω or 75 Ω . Par ameters Par[...]

OUTPut3 The OUTP ut3 subsy stem con trol s the out put im pedanc e of th e Agilent E144 6A’s “Diff Output -” output. Subsystem Syntax OU TPu t3 :IMP ed an ce < impe danc e > :IMP eda nce OU TPut 3: IMPed a nce < impeda nce > sets th e ou tpu t impe da nc e “Di ff Out put -” BNC t o ei ther 50 Ω or 75 Ω . Par ameters Para m[...]

SOURce:V OLTage The S OURce:VOLT age su bsystem co ntrols the output o ffset voltage at the Agilent E1446A “ Ma in Output ” BNC. Subsystem Syntax [S OURc e] :VOL Tage [: LEVe l] [:I MMed iat e] :OFFSet < voltage > [:LE Vel] [: IMMe diat e]:O FFSet SOURce :VOLTage[: LEVel] [:IMMed iate] :OFFSet < volt age > sets the of fs et volta ge[...]

STATus The ST ATus su bsyste m c ont rols the SCPI- de fi ne d Ope rat io n and Que sti ona bl e Signal statu s regi st ers. Each is c omp rised of a cond ition registe r , an eve nt registe r , an en ab le ma sk, a nd ne ga ti ve an d posi ti ve tra nsi tion f il ters. Each s tatus regis ter works as foll ows: wh en a condi tion occ urs, the ap pr[...]

:OPERation|Q UEStionabl e:ENABle STATus:O PERation|QUEStionable:ENABle < un mask > specifies whi ch bit s of the assoc iated ev ent regi ster are included i n it s s ummary bit. T he su mmary b it i s the bit-for-bit logical AND of the event r egist er and the unmasked bit(s). Par ameters Para meter Name Pa ra me te r Type Range of Valu es De[...]

:OPER ation|Q UESti onable: NTRans ition STA T us : O PE R a t io n |QU E Sti o na bl e: N T Ra ns it io n < un ma s k > sets th e negat ive tran sitio n ma sk. For each b it un masked , a 1-t o-0 transi tion o f that b it in t he asso ciated c ond ition re gister will set t he sam e bit i n the a sso ciate d ev ent r egiste r. Par ameters Pa[...]

• *RST Co nd iti on: unaf f ect ed • Po we r- on C ond it ion: STATUS:OPE Rat ion |QUEStio nable : PTRansi ti on 327 67 :PRESet STATus:PRESet in it ia li zes t he en ab le r eg i st ers a nd t ra ns it io n ma s ks f or the Operatio n and Que sti ona bl e Signa l st at us re gis ters an d sets S TATus:OP C: INITi a te ON. Fo r both status r eg [...]

SYSTem The SYST e m su bsyste m r e turn s err or messa ge s a nd th e SCPI versi on numbe r to which the Agil e nt E1 446A com pli es. Subsystem Syntax SY ST em :ER Ror? [que ry o nly] :VE RSi o n? [qu er y on ly ] :ERRo r? SYSTem:E RROR? re turns the erro r mess ages in the e rro r queu e. Se e App endix B for a li st ing of po ssi ble e rror num[...]

Exam pl e Q uer ying t he SCPI revi sion SYST: VERS? Quer y S CP I revi s ion SYST em :VERSi on? SYST em Subsyste m E1446/E 1405/06 Command Referen ce 3-23[...]

Sub syste m C om m a n ds DI SPl ay DI SPl ay : M O N i t o r [ : STAT e] < m o d e > IN P ut[ 1 ] INP ut[ 1 ] :A T T e n u a tion < a tten u a tion> IN Put [ 1] : I MPed an c e < im p ed an c e> IN P ut2 IN P ut2 :A T T e nu a tion < atte nua ti on> IN Put 2: I MPed an c e < im p ed an c e> OU T P u t1 OU T P u t1 :A [...]

SCPI Command Reference IEEE - 488.2 C ommon Command s and SCPI Conforma nce Informati on[...]

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IEEE-488.2 C ommon Commands This se c ti on de sc r ibe s t he IEE E-488.2 C ommon C omma nds i mpleme nt ed in th e Agile nt E1446 A. The tabl e bel ow sho ws the c omm a nds l iste d by func ti onal gro up; how ever, comman ds a re list ed al phabet icall y in t he re fere nce. Examp les a re sh own in the refe renc e w he n the comm a nd ha s pa[...]

*CLS *CLS clear s the Sta ndar d Even t St atus R egis ter, the Op er ation Status Reg iste r, th e Quest ion able Si gna l R egist e r, and th e error qu eu e. Thi s clears t h e corre spon din g summa ry bi ts (3, 5, & 7) in th e Statu s Byt e Re gis ter. *CLS do es not af fect t he enabl e m asks of an y of the status r eg iste rs. Comments [...]

• *RST Co nd iti on: none ; macr o defint ion s are unaffect ed • Po wer - On Co nd iti on: no macr os a re d ef ined Exam pl e Def ine ma cro t o se t ’In pu t 1’ i mpedanc e *DMC "RESTART","INP1:IMP 50" Define macro *EMC and *EMC? *EM C < enabl e > enables and d isa bles m acro u sage. Wh en enable is zer o, ma c[...]

• Po wer - On Co nd iti on: n o ev ent s a re e na bl ed Exam pl e E nable a ll e rror e vents *ESE 60 E nable e rror events *ESR? *ESR? returns the val ue o f th e S tandard E vent St atus R egiste r. The regist er is then clear ed (all bits 0). Comments • Ex ecuta ble wh en initi ated : Yes • Coup li ng g r oup : none • *RST Co nd iti on:[...]

Exam ple Quer y macro definit ion *GMC ? " RESTART " Quer y mac r o de fi ni ti on *IDN? *IDN? retu rns ident ificat ion infor ma t ion for th e E1 446A. The resp onse c onsi sts of four fie lds : HEWLETT-PACK ARD,E1446A,0,A.01.00 Th e f i rs t tw o f i el ds i d en ti fy th i s ins tr u m en t a s mo de l nu mbe r E1 44 6 A m a nuf act u[...]

*LRN? *LRN? ret ur ns a seq ue nc e of c omm ands t ha t ma y be res en t to the Agil e n t E1 446A t o r et ur n it to i ts c ur r en t pr og ra mm in g s tat e . No te *LRN ? shoul d be se nt si ngly in a program m es sa ge , sinc e the num be r of c omm a nds in the ret urned se que nc e is lar ge , and ma y va ry dep en din g on firmwar e revi [...]

*PMC *PMC pu rges al l ma c ro de fi ni tions. Comments • Use the *RM C c omm a nd to purge an singl e macro de fin ition . • Ex ecuta ble wh en initi ated : Yes • Coup li ng g r oup : none • Related comma nds: *DMC, *RMC • *RST Co nd iti on: non e *RCL *RCL < numb er > restores a previ ous ly stor e d progr a mm ing state fro m one[...]

• Related comma nds: *DMC, *PMC • *RST Co nd iti on: non e *RST *RST re se ts t he A gil e nt E 1 4 46A a s fo ll ow s: • Set s all com mands to th eir * RST state. • Aborts al l pendi ng op erati ons inclu din g waveform g enera ti on. *RST does not affect : • The out put que ue • The S ervi ce R eques t Enable Re gister • The S ta n[...]

*SRE a nd *SRE? *SRE < ma sk > speci fie s which b its o f the Stat us B yte Reg ister are enab led to gener at e a servic e requ est . Even t a nd sum mary bi ts a r e always set and cl e ared in the Status Byte Regi st er reg ard l es s of the enable mask . Mask is th e sum of the decim al weight s of the bi ts to be enabl e d. The qu ery f[...]

*TST? *TST? caus es the E144 6A to exe c ute it s in ter na l se lf -te st and ret ur n a val ue i ndi ca t ing th e r es u lts of the te s t . On l y co mm un ic at io n be twe en th e c omm a nd module and the on-c ard re gis ters is tes ted. A zero (0) resp onse in dicates tha t the sel f-t est pass ed. A on e (1) respons e in dicates that t he [...]

SCPI C onformance Inf o rmation The Agi lent E1446 A Summing Amp lifier/DAC conf orm s to the SCPI-199 1.0 stand ard. The foll owing ta bl es li st a ll the SC PI c onfir m ed, approv ed, and no n-SCPI comman ds that t he Agilen t E14 46A can execu te. INP u t[1 ] :ATTenu ation < attenuation > :IMPeda nce < imped ance > INP u t2 :ATTenu[...]

Agile nt E14 46A / E144 5A OUTPut2 :OVERload? [:STATe] A C T u a l ? Agile nt E14 46A / E140 5/06 DISPla y :MONito r [:STATe] OUTPut1 :OVERload? [:STATe] A C T u a l ? Table 3-4. Non-SCPI Comman ds. 3-36 Command Refe ren ce SCPI Confo rm ance Info rm ation[...]

A ppe ndi x A S p ec if ic ations A p p e nd ix C onte nts T h is a p p e n dix co n t a in s t h e A gi l e n t E 1446A Summin g A mp li fi e r /D A C operati ng s pe c i f i c ati ons . E x c ept as noted, the s pec i f i c ati ons appl y und er the f ol l ow i ng c ond i ti ons : • Peri o d: 1 y e a r • T emp erat u re: 0 ° - 55 ° C • R [...]

Prot ect i on : R el ay Tri p. Thi s d i s c onne c ts the m a i n output af ter ei the r a v ol tag e or a c urrent ov e rl oad of non- tra ns i ent dur a ti on. The re l ay ’ s s t at e c an be qu e ri ed a n d re s e t by s oftw ar e con t r o l . Diffe re ntia l Outp uts The s e are tw o outputs nom i nal l y out- of - phas e. Conn ect ors : [...]

A C C har act e ri st ic s Fr eq uenc y Re spons e : Ful l - Pow er B and w i d th: 1 0 MH z , al l outputs S m a l l - S i g nal Ba nd w i dth: 3 0 MH z , al l outputs Gene ral VXI Char act e ri st ic s Siz e :C S l ot s :1 Conn ect ors :P 1 , P 2 We i g h t ( k g ) : 1.4 D ev ice Ty pe : R e gi s t e r , A 16, D 16 Se r v an t V XI b us Rev i s i[...]

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A ppe ndi x B Erro r M e s s a ge s A gilen t E 14 46A Error M e ssa ge s Thi s appendi x c ontai ns a l i s t of error m e s s ag e s that m ay be rec ei v ed w h e n p r o gra mmi n g t h e A g i le n t E 1446A . • T a ble B-1. A gi le n t E 1446A E r r o r M e ssage s . . . . . . . . . . B-2 • T a ble B-2. A gi le n t E 1446A Se t t in gs Co[...]

T abl e B- 1. A gi l ent E1446A E rror Messag es C ode M e ss age Descr iption -101 In val i d c har ac t er Unr ec o g ni z ed c h ar ac t er i n p ar am et er . -102 Syn t ax er r o r Co mm and i s m i ss i n g a s p ac e o r c o m m a b et ween para me ters . -103 Inval i d sep ar at o r Param et er i s s ep ar at ed b y a c h ar ac t er o t her[...]

T abl e B- 1. A gi len t E1446A Er ror M e ssag es ( C on ’t.) Code Message D e scripti o n - 1 7 8 E xpre ss ion da ta n ot a ll ow e d E x pr e ss ion da ta w a s s pe cif i e d wh e n a noth e r para me te r type i s re quire d. -183 Mac r o ex ec u t i o n er r o r Mac r o p r o g r am d at a seq uen c e c o ul d no t b e ex ec u t ed due to [...]

Table B-2. A gilent E1446A Settings C onflict E rr ors wit h the A gilent E 1405/ 06 C ommand M odule OUT P : A TT 20 an d OUT P:IMP 0; OUT P: IMP 50 set S OU R : V OL T : OFF S < min imu m; S OU R : V OL T : OFF S MI N set S OUR : V OL T : OFF S > maximum; S OU R : V OL T : OFF S MA X set Table B -3. A gilent E1446A S ettin gs Confl ict E rr[...]

A ppe ndi x C R egi s te r -Ba s ed P r ogr ammi n g A p p e nd ix C onte nts T h e A gi le n t E 1446A Su mming A mp l i f i e r /D A C ( a mp li f i e r ) is a reg i s ter- b a s e d d ev i c e w hi c h does not s upport the VXIbus w ord s e ri al protoc ol . When a S CPI c om m and i s s ent to the am pl i f i er, the am pl i f i er dr iv e r i [...]

Figu re C-1B. E1446A A mpl ifier Reg ist ers w ithin E1405 A 16 A ddres s S pace. Figu re C-1A . E1446A A mplif ier Regi ster s wi thin A 16 A ddr ess Space. C-2 R eg ister -B ased P r o g r am m in g R eg ister Ad d r es s ing[...]

The A1 6 bas e ad d res s us ed i n reg i s te r- bas e d prog ram m i ng depe nds on w h e t h e r t h e A 16 a dd r e ss s p a ce is l o ca t e d in si de t h e E 1405/06 Co mma n d M odu le o r e l s e w he re ( e . g . embe dde d compu t e r). Fig u re s C- 1 A, C- 1B , an d T able C-1 en a bl e y ou t o de t e rmi ne t h e base a ddre s s for [...]

C o mp ut e r C o nfi g ur a tion s Thi s s ec ti on c ontai ns perf orm a nc e and f unc ti onal i nf orm ati on on the c omputer c onf i g urati ons that c an be us ed w i th reg i s te r- bas e d prog ram m i ng . Th r ough put Speed Throug hput s pe ed i s ba s ed on the am ount of c om m and pars i ng and w het h er the r eg i s ters ar e a c [...]

Th e Reg i s t er O f f s et and R e gis ter Nu mbe r D e pendi ng on w he ther abs ol ute ad d res s i ng or s el ec t c ode 8 i s us ed, ei ther a r eg i s ter of f s et or r eg i s ter n u m b er i s s pec i f i ed a s pa rt o f the r e gist e r a d d r e ss. A b so lu t e a d d r e ssin g sp e c ifie s a r e gist e r o f fse t , w h ic h is the[...]

IB AS IC prog ram m i ng us i ng abs ol ute ad d res s i ng or s el ec t c ode 8 i s f a s t e r t h a n e i th er DI A G: P EEK ? a nd DI A G: POK E o r V X I : R EA D? an d V XI : WRITE bec aus e the r eg i s ters ar e a c c es s ed f r o m the V X Ib us b a ck p la n e r a t h e r t h a n fr o m t h e G P I B. A lso , R E A D I O a n d W R I T E[...]

A ddres s i ng Mode . B i t s 1 3 and 12 i n di c at e t h e addre s s i ng m ode used by the dev i c e: 0 0 A 16/A 24 a d d r e ss mo de 0 1 A 16/A 32 a d d r e ss mo de 1 0 RES ERV ED 1 1 A16 addre s s mode T h e A gi l e n t E 1446 a mp lif i e r u se s t h e A 16 a d d r e ss mo de . Man uf act u rer ID. Bi ts 1 1 thr oug h 0 i denti f y the m [...]

T h e St at us R e gist er R e a d in g t h e r e gist e r a t b a se + 04 16 re ads th e am pl i f i e r’ s S t atu s re g i s te r. The S tatus reg i s ter m oni tors the am pl i f i er’ s i nput/ output e nab l e c ondi ti ons and ov erl oad c ond i ti ons . Ad d res s 15 14 13 - 12 11 10 9 8 7 - 0 ba s e + 0 4 16 not use d (0) MO DID* n o t[...]

T he DA C Co n t r ol Regi st er The D AC c ontrol reg i s ter s ets the output l e v e l of the am pl i f i er/ D AC. A d d r e s s 1 5 1 4 1 3 1 2 1 1 1 0 98765 43210 ba s e + 0 8 16 DA C Co nt rol Cod e D A C Con t r o l Co de D AC Output Am pl i f i er O utput 0000 16 + fu ll s ca le - fu ll s c ale : - 19. 9992V 7 FFE 16 + 1 L SB - 1 L SB: -.6[...]

z e ro (0 ) s ets the i m ped a nc e to 7 5 Ω . S e tti ng bi t 2 to one (1 ) s e ts the i m ped a nc e of the i nv erti ng output to 5 0 Ω . S etti ng bi t 2 to z ero (0 ) s e ts the i mped a nc e to 7 5 Ω . At pow e r- on, the i m pedanc e of b oth outputs i s un def i ned . Bi t 1 . S etti ng b i t 1 to one (1 ) s ets the ’ Mai n’ outp[...]

Bi t 0 . T h e a t t e n u a t io n r e la y s ( b it s 15 - 11 an d b it s 7 - 3) a r e lat ch i n g r e la y s. W h e n e n e r gize d , t h e se r e la y s will " la t ch " t o a n o p e n ( b it = 0 ) o r c l os ed (b i t = 1 ) s tate a nd rem ai n i n tha t s tat e a f ter t h e en er g i z i ng po w er is r e m o ve d . B i t 0 i s [...]

Progra mmi ng the A mpli fier F i g u r e C-2 is a b lo ck d ia gra m o f t h e A gi l e n t E 1446A Su mmin g Am pl i f i e r/ D AC . The di ag ram s how s the porti ons of the s umm i ng am pl i f i er/ D AC c onf i g ured w i th reg i s te r- bas ed prog ram m i ng . The f ol l ow i ng i nf orm ati on c ov e rs the s e quenc e us ed to prog ram [...]

Ad d res s 15 14 13 - 12 11 10 9 8 7 - 0 Bit We ig h t 32768 16384 2048 1024 512 256 --- ba s e + 0 4 16 (s ta tus ) not us e d (0) MO DID* n o t u s ed (0 ) Main Outp u t Ovld In p u t 1 En ab le In p u t 2 En ab le Main Outp u t Stat e FF 16 * a c t i v e l o w Ad d res s 15 - 1 0 Bit We ig h t 1 ba s e + 0 4 16 no t used Re s e t A d d r e s s 1[...]

Pr o gr am Sequ e n c e and E x ecu ti o n T h e r e co mme n d e d se q u e n ce o f a n E 1446A r e gi st e r -ba s e d p r o gr a m is s how n i n Fi g ure C- 3 . Prog ram mi ng b eg i ns w i th the am pl i f i er i n i ts prev i ous (c urrent) c onf i g ura ti on. Thi s m ay be the res et c onf i g ura ti on or s om e othe r pres et c ondi ti o[...]

Prog ra m Ex e cution The ( new ) am pl i f i er c onf i g urati on i s s e t as s how n i n Fi g ure C- 4 . The ex ec uti on s e quenc e s how n c onf i g ures the am pl i f i e r f rom r i g ht- to- l e f t rel ati v e to Fi g ure C- 2 . Note Unl i k e other reg i s ter- bas e d d ev i c e s , the re i s not a s t atus b i t w hi c h c an b e m o[...]

A B A B Che ck outp ut re la y - c lear main o utp u t enab l e b i t b as e + 4 ( b i t 8) Se t main o utp u t atte nu atio n base + A (bits 7 - 6 ) Se t main o utp u t i mpe da nce base + A (bit 5 ) Op en main o utp ut rela y if final s tat e = o p en base + A (bit 4 ) Se t D IF F + o utp ut i mpe da nce base + A (bit 3 ) Se t D I FF - outp ut i [...]

E xample Progra ms The prog ram l i s ti ng s i n thi s s ec ti on ar e B AS IC prog ram s i n LO AD / S TO R E f or m at and a r e c ontai ne d on the ex am pl e prog ram s di s k A gi l e n t P /N E 1446-10031. G E T /SA V E v e r s i o n s o f t h e se p r o gra ms ar e o n e x a m p le p r o gr a ms dis k A gil e n t P /N E 1446-10032. Th e ex [...]

B A SIC Su bprogr ams Th e s ub pr og ra m s us ed b y eac h reg i s ter - ba s ed pr o g ra m are s tor ed / s av ed in a se p a r a t e f ile ( file n a m e ’ E 4 6S U B S’ ) . T h e se su b p r o gr a ms a r e list e d af ter the l as t e x am pl e (S um m i ng Tw o S i g nal s ). A mp lifying a S ine Wave Th is pr o gr a m u se s t h e E 14[...]

240 W A IT .1 250 OFF IN TR 16 260 ! 270 ! BEGIN E1446A CONFI GUR AT I O N 280 ! 290 ! Dec lar e and i ni t ial i z e p r o g r am var iab l es 300 ! 310 R EA L In1_at t en , In 1_im p ed ,I n 2_att en, I n2_im p ed ! i np u t v ar i ab les 320 R EA L Out 1_ at t en , Ou t 1_ im p ed , O u t 1_st at e ! m ain o u t p ut var i ab les 330 R EA L Out [...]

w her e V o i s the output am pl i t ud e and V i i s the i nput s i g nal am pl i tude (V o and V i uni ts ( Vpp, Vp) m us t be the s am e). Thus , attenuati on (dB ) = 20 L O G 6.3/10 = -4 d B B A SIC (RG BIM P) 1 ! R E-S T OR E " R GBIM P " 2 LOADSUB ALL F R O M "E46S UBS" 3 ! 10 COM / E1446/ Base_ad d r ,I N TE G E R I n _c [...]

360 DAT A 4.,75. ,0. ,50. 370 R EA D In1_at t en , In 1_im p ed ,I n 2_att en, I n2_im p ed ! i n p u t at t en an d i m p 380 ! 390 DAT A 0.,50. ,1 ! m ai n o u t p ut at t enu at io n , i m p ed an c e, an d s t at e 400 R EA D Out 1_ at t en , Ou t 1_ im p ed , O u t 1_st at e 410 ! 420 DAT A 50.,50. ! d i f f er en t i al o ut p u t im p ed anc[...]

140 ! R eset E1445A and c lear s t at us 150 OUTP UT @A fg ; "* R S T ; * CLS; * OPC?" 160 ENTE R @Afg ; R ead y 170 ! 180 OUTP UT @A fg ; "S OUR : FR EQ1: FIX 1E 3;"; ! f r eq u enc y 190 OUTP UT @A fg ; ": SOUR : FUN C: SHAP S IN ; "; ! f u n c t i o n 200 OUTP UT @A fg ; ": SOUR : V OLT : LEV : IM M: AMPL .4V P[...]

Usi n g t he Di ffer ent ial ( smal l si gnal) Out put s R ather tha n a m pl i f y the i nput s i g nal , thi s prog ram attenuates the s i g na l sup p l i e d b y t h e E 1445A t o o bt a in a n o u t p u t a mp li t u d e o f 10 mVp p . T h e output c an be tak en at ei the r the ’ D i f f + ’ or ’ D i f f - ’ (i nv erted) output. B A S[...]

380 ! 390 DAT A 0.,50. ,1 ! m ai n o u t p ut at t enu at io n , i m p ed an c e, an d s t at e 400 R EA D Out 1_ at t en , Ou t 1_ im p ed , O u t 1_st at e 410 ! 420 DAT A 50.,50. ! d i f f er en t i al o ut p u t im p ed anc es 430 R EA D Out 2_ im p ed ,O ut 3_im p ed 440 ! 450 Offset= 0. ! DC offset 460 ! 470 ! Set E1446A b ase ad d r es s an [...]

80 ! E1445A err o r c h ec k i n g 9 0 ON I NT R 16 C A LL E rrmsg 100 ENABLE IN T R 16; 32 110 OUTP UT @A fg 72; "* CLS" 120 OUTP UT @A fg 72; "* SR E 32" 130 OUTP UT @A fg 72; "* ESE 60" 140 ! 150 OUTP UT @A fg 80; "* CLS" 160 OUTP UT @A fg 80; "* SR E 32" 170 OUTP UT @A fg 80; "* ESE 60"[...]

530 DAT A 0.,50. ,0. ,50. 540 R EA D In1_at t en , In 1_im p ed ,I n 2_att en, I n2_im p ed ! i n p u t at t en an d i m p 550 ! 560 DAT A 0.,50. ,1 ! m ai n o u t p ut at t enu at io n , i m p ed an c e, an d s t at e 570 R EA D Out 1_ at t en , Ou t 1_ im p ed , O u t 1_st at e 580 ! 590 DAT A 50.,50. ! d i f f er en t i al o ut p u t im p ed anc[...]

180 ! Lo o k f o r ille gal v a lue s a nd setting s co nflic t s 190 ! 200 IF In 1_at t en < 0 O R In1_at t en > = 31. 5 T HEN 210 DISP " In val i d I N P1: AT T valu e" 220 ST OP 230 END IF 240 IF In 1_im p ed < > 50. AND I n 1_im p ed < > 75. AND I n 1_im p ed < > 1. E+ 6 THEN 250 DISP " In val i d I N P1: [...]

640 ! If o ut p u t rel ay o p en ( d i sab l ed ) b u t s h o u l d b e c l o sed , c l ear m ai n 650 ! o u t p u t enab l e b i t . 660 ! 670 IF Ou t 1_stat e AND N OT BIN AND( R E A DIO( -16,B ase_ad d r + 4) , 256) THEN 680 W R I T E IO - 16,B ase_ad d r + 10; BI NAN D( R E A DIO( - 16,B ase_ad d r+ 10) ,-17) 690 END IF 700 ! 710 ! Set up o ut[...]

1050 SE LE CT Ou t 2_im p ed ! Set Di f f + o u t p u t i m p ed an c e 1060 C ASE 50 . 1070 Ou t _ c t rl = B IN I OR (O u t _c t r l ,8) ! Clo se 50 O h m r el ay 1080 C ASE 75 . 1090 Ou t _ c t rl = B IN I OR (O u t _c t r l , 0) ! 75 Oh m - no ac t i o n 1100 END SELE CT 1110 ! 1120 SE LE CT Ou t 3_im p ed ! Set Di f f - o ut p u t im p ed anc [...]

1510 IF Ou t 1_stat e T HEN ! Remo ve p r evi o u s o u t p u t r elay st at e 1520 Ou t _ c t rl = B IN I OR (O u t _c t r l ,16) ! Clo se o ut p u t r el ay 1530 ELS E 1540 Ou t _ c t rl = B IN AND( Ou t _c t r l ,- 17) ! O p en o u t p ut r el ay 1550 END IF 1560 ! 1570 ! R elay o p ens st art h er e 1580 ! 1590 ! Do o u t p u t r el ay s fi r s[...]

1970 ! Set in ac t iv e st at e b y t u r n i n g o ff i n p ut at t en u at o r c o nt r o l b i t s 1980 ! an d d i sab li n g i n ver t er 1990 ! 2000 W R I T E IO - 16,B ase_ad d r+ 12; BI NI O R ( BI NAN D( I n_c t r l , 1542) ,1) 2010 SUBEND 2020 SUB Set_e46_ o ff set ( Offset) 2030 COM / E1446/ Base_ad d r ,I N TE G E R I n _c t r l, Ou t _ [...]

Er rms g Su bprogr am Use d with ’S U M SU BS ’ P r o gr a m ’ R G B SU M ’ lo a d s/ge t s it s su b p r o gr a m s f r o m t h e f ile ’ SU M SU BS’ , r a t h e r t h a n fr o m t h e file ’ E 46 SU BS’ . T h e o n ly d iffe r e n ce betw e en th es e s ubpro g ram f i l e s i s the s ubprog ram ’ E rrms g ’ . ’ E rrm s g ?[...]

In d ex A Abbr ev i ated Comm ands, 3 - 3 Addres s E x te rn al co nt rol l ers , 1 - 5 Interf ace s el ec t c ode, 1 - 5 L o gic a l ,1- 3 Pri m a ry G PIB , 1 -5 S e condar y G P IB, 1 - 6 Se r v a n t a r e a o f A gi le n t E 1446A ,1- 3 Addres s i ng r e g i st e r ,C-1 - C-3 U s i ng an E m be dde d Co n t ro l l e r, 1 - 5 U s i ng an E x te[...]

g ener ating a si ne w av e , C- 1 8 G ene r ating /ampl i f y i ng S ine W av es, 2- 9 - 2 - 1 3 s etti ng a D C v ol tag e of f set, C-2 1 Se t t in g D C O ffse t s ,2- 20 - 2- 25 Se t t in g I n p u t I m p e d a n c e , 2- 14 - 2- 19 s etti ng the i nput i m pedance, C- 1 9 su mm in g t w o signa ls,C -24 us i ng the dif f erent i al outputs, [...]

Prep ar ati on Addres s i ng , 1 - 5 C o n figu r in g,1- 2 - 1-3 I n st a llin g,1- 4 L o gic a l A d d r e ss ,1- 3 L o gica l A d d r e ss, se t t in g,1 -3 Pri m a ry G PIB , 1 -5 Prog ram ex ec uti on reg i s ter-b as ed , C - 1 5 Prog ram s equenc e an d ex ecu ti on, C- 1 4 P r o gr a m m in g t h e a m p lifie r r e gis t e r - b a s e d p [...]

Se p a r a t o r Co mma nd ,3 -3 S etti n g D C O f f sets w it h A gile n t E 1445A a s c o m m a n d e r ,2- 20 Se t t in g L o gic a l A d d r e ss ,1- 3 S ta n dard C o m ma n ds f o r P ro g ram m ab l e I n st r u me n t s, SC P I ,3-6 S tatus reg i s ter , C- 8 S ubpr og r ams , us ed by ex ampl e prog rams (r eg i ster- bas ed) , C- 2 6 Sy [...]