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Manual Agilent Technologies E1445A

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  • Agilent Technologies E1445A - page 1

    Agilent 75000 SERIES C Agilent E1445A Arbitrary Function Generator Servi ce Manu al Seri al Numbers This manua l a ppli es dir ectl y to ins trume nt s w ith se r ia l num be r s prefixed with 31 44A. Copyr igh t© Ag ilen t Techn olo gies , Inc . 1992- 2005 Ma nu al Par t Numb er: E144 5-9 00 11 Prin te d: Nov emb er 2005 Editio n 2 Print ed in U. ...

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  • Agilent Technologies E1445A - page 3

    Contents Cha pt er 1 - Gen eral In fo rmat ion Intr oduct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Safet y Con sid erati ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Warni ngs an d Caut ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Insp ect ion/Sh ...

  • Agilent Technologies E1445A - page 4

    Chap te r 3 - A d jus tme n ts Intr oduct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Requ ired Eq uip ment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Recomm en ded En vir onment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 Cal ibrati o n Comm ands . . . . . . . ...

  • Agilent Technologies E1445A - page 5

    Ce rtif ic ati o n Agile nt T echno logies cer tifi es tha t this pr oduct m et it s pu blishe d spec ificatio ns at th e time of ship ment from the f acto ry. Agilen t Te ch- nolog ies fur ther cer tifi es that its c alibrat ion me asure ment s a re t race able to the Un ite d States Na tion al I nstit ute of Stand ards and Tec h- nolog y (for m e ...

  • Agilent Technologies E1445A - page 6

    F ra m e or chass is gro und t er mi nal — ty pi - cally c onn ects to the equ ipment’ s metal frame . Alter nati ng c urr ent ( AC). Dire ct cu r re nt (D C) . Indi ca tes ha za rd ous volta ge s. Ca lls atte nt i on to a pr oce dur e, pr ac tic e, or condi t ion t hat co ul d ca use bodi ly i nj ury or deat h. Ca lls atte nt i on to a pr oce ...

  • Agilent Technologies E1445A - page 7

    DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Revision: B.01 Issue Date: 1 June 2001 Document E1445A.DOC Manufacturer’s Name: Agilent Technologies, Incorporated Manufacturer’s Address: 815 – 14 th St. SW Loveland, Colorado 80537 USA Declares, that the product Product Name: Arbitrary Function Generator Model ...

  • Agilent Technologies E1445A - page 8

    Notes 6 Agi le nt E1 44 5A Se rv i ce M an ua l ...

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  • Agilent Technologies E1445A - page 11

    Chapter 1 Genera l Informati on Introduction This manu al co nta i ns in fo rm a ti on r eq uir e d to te st, trou ble sh oot , and r e pa ir the Agi lent E144 5A C-Size VXI Arbit rary Fu nc ti on Ge ne rat or (AFG). See th e Ag il en t E14 45A User’ s Man ual for addi ti onal i nforma ti on. Figure 1-1 show s the Agi le nt E1445 A. Thi s c ha pt ...

  • Agilent Technologies E1445A - page 12

    Safe ty Considerations This product is a Safety Cl ass I i nst ru me nt tha t i s pr ovi de d wit h a prote ct iv e earth t ermin al whe n insta lle d in t he m ainf rame . T he m ainf ra me, A FG, and all re la te d do cu me nt atio n shou ld be r ev ie w e d fo r fa mi li ari zat ion with safety markin gs a nd in struc t ion s be fo re ope r a ti ...

  • Agilent Technologies E1445A - page 13

    WARNI NG USING AUTOTRANSFORMERS. If t he mainframe is to be en er g ized vi a an a u tot r an sf or m er ( for volta ge reduc t io n) ma ke sure t he common terminal is connected to neutral (that is, the grounde d sid e of the ma in’s s upply). CAPACITOR VOLTAG ES. Capacitors ins ide the mainframe may re ma in ch arg ed ev en w h en t he ma in fr ...

  • Agilent Technologies E1445A - page 14

    Inspection/ Shipping This se ct io n desc ribe s in it ia l ( in comi ng) ins pect io n an d shi ppi ng gui de li nes fo r t he AF G . Initi al Insp e ctio n Use the st ep s in F igu re 1-2 a s gui deli nes to pe r for m in it ia l i nspec ti on of the AFG. WARNI NG To avoid possible hazar dous electrical shock, do not perform el ectr ical t est s ...

  • Agilent Technologies E1445A - page 15

    Shippi ng Gui de lin es Fo ll ow the st eps in F igu re 1-3 to retu rn the AFG to an Agile nt Tech nol ogi es Sales and Supp ort Offic e or Servi ce Cente r. * We r ecom mend th at y ou us e t he sam e sh i ppi ng m ate rial s as th os e us ed in f ac tor y pa ckag ing (av ail able f rom Ag il en t T ech n ologie s). Fo r oth er (comm e rc ial ly- ...

  • Agilent Technologies E1445A - page 16

    Environment The rec omm e nde d ope r atin g environm ent for the Agilent E144 5A AFG i s: Environment Temperature Humidity Operating 0 o C t o +55 o C <65% rel ative (0 o C to +40 o C) Storage and Shipment -40 o C to +75 o C <65% rel ative (0 o C to +40 o C) AFG Description The Agile nt E1 445A Arbi tr a ry Funct ion Generator is a VXIbus C ...

  • Agilent Technologies E1445A - page 17

    Recommended Test Equipment Table 1- 1 li sts the te st eq uipment rec omm ended for testi ng, adju sting, an d ser vici ng the AF G. Es sentia l req uiremen ts f or eac h piece o f tes t equi pment are desc ribe d in the Re qui re me nts colum n. Table 1-1. Recommended Test Equipment Instrument Requirements Recommended Model Use* Controll er , GP-I ...

  • Agilent Technologies E1445A - page 18

    16 Gen eral Inf ormatio n Agile nt E14 45A S ervic e Manua l ...

  • Agilent Technologies E1445A - page 19

    Chapter 2 Verification Tests Introduction The thre e leve ls of test pro c edu res de scribed in this cha pte r are used to verify tha t the Agil en t E1445 A: • is fully func ti onal (Fu nc tion a l Ver if ica tion) • meet s sel ected tes tab le sp ecifi cati ons ( Operat ion Ve ri ficat ion) • meet s al l t estab le s pecifi cati ons (P erf ...

  • Agilent Technologies E1445A - page 20

    Comma nd Co upling Many of the AFG SCPI comm ands are value- coupl ed. In or der to prev ent "Se tti ngs Conflict" e rror s, co uple d c om mands must be sent con tigu ously by placing them in th e sam e prog r am line , or by suppre ssi ng the end-of- line termin ator. (Fo r mor e in fo rm a tion on co mm a nd co upling and syn ta x, see ...

  • Agilent Technologies E1445A - page 21

    Func tion al Veri fi cati on : Se lf-T est Descripti on The AF G self-t est p erforms the fo llowi ng intern al c hecks: • interna l int e rrupt line s • wave form sele ct RAM • segm ent se quence RAM • wave form segment RAM • DDS/NCO oper ation • sine wave gen era tio n • arbitrary wave f or m gene rat ion • marke r gene r a tion ? ...

  • Agilent Technologies E1445A - page 22

    Fu nc tion al Veri fica tion : Ref I n/M ark er Ou t Test Descripti on The pur pos e of thi s te st is to chec k the Re f /S a mpl e In and Ma r ke r Ou t por ts. An ex te r na l ref e renc e is c onne c te d to th e Ref/Samp le In port and sen t to the Mark er Ou t port. Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s ...

  • Agilent Technologies E1445A - page 23

    Func tion al Veri fi cat ion: St art A rm I n Test Descripti on The p urpo se of t his t est is to check t he St ar t Arm In por t. Th e "T RIG OUT " port of the Co mman d Mod ule is used to send a S ta r t Arm sign a l to the A FG. Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Set up eq uipm ...

  • Agilent Technologies E1445A - page 24

    Fun ctio nal V erific atio n: Star t Ar m In Te st (con t’d ) Te st P roc edur e (c ont’ d) 4. Set up the AFG to outpu t a 1 MHz sine w av e, with an exte r n a l S ta rt Arm so urce: FREQ 1E 6; Se t fr e q to 1 M H z :V OLT 4VP P Set AFG am pl it ude ARM :LAY 2 :SOU R EXT External St ar t Arm sourc e IN IT :IMM I nit ia te 5. Ver ify that n o ...

  • Agilent Technologies E1445A - page 25

    Func tion al Veri fica ti on: Gat e In Test Descripti on The pur pos e of thi s te st is to chec k the ga tin g f unc tion . The "TRIG OU T " port of the Co mmand Mod ule is used to gat e th e ou tput . Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Set up the eq uipm ent as shown in Fi gur e 2 ...

  • Agilent Technologies E1445A - page 26

    Func tion al Veri fica tion : Gate In Te st ( cont’ d) Te st P roc edur e (c ont’ d) 4. Se t up t h e A F G t o ou t p ut a 1 MHz sin e wa ve wi th a n ex te rn al g at e sour ce: TR IG: GATE : SOUR EX T; External gate source :TRIG: GA TE: ST AT ON ; Enabl e gat e :FREQ 1E6; Se t fr e q to 1 M H z :V OLT 4VP P Set AFG am pl it ude IN IT :IMM I ...

  • Agilent Technologies E1445A - page 27

    Func tion al Veri fica tion : Outpu t Rel ay T est Descripti on The purpos e of thi s te st is to check the out put r e la y. Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Set up eq uipm e nt a s shown in Figur e 2-4 : 3. Se t up t h e A F G t o out p ut a 1 MH z s in ew a ve : FREQ 1E 6; Se t fr e q to ...

  • Agilent Technologies E1445A - page 28

    Func tion al Veri fi cati on Ex am ple P r og ram This pro gram perform s the Func tional Verif ic a tion Test s fo r th e AF G . An Agi lent E140 5/E1 4 06 Comm an d Mo dule is r e quire d f o r this te st . 10! RE-STORE "FUNC_TEST" 20 COM @Afg ,@Cmd_mo d,INTEGE R Done 30 ! 40 !- ---- -- --- Se t up I /O p a th s -- ---- -- -- 50 ASSIGN ...

  • Agilent Technologies E1445A - page 29

    Func tion al Veri fi cati on Exam pl e Pr og ram (co nt ’d) 450 !---------- Su bpr ogr am s ---------- 460 SUB Re set_afg 470 COM @Afg,@Cm d_mod,INT EGER Don e 480 OUTP UT @A fg ;"* RS T; *CLS" ! Re set A FG and clea r Status regi ster 490 WAIT 1 500 SUBEND 510 ! 520 SUB Self _test 530 COM @Afg,@Cm d_mod,INT EGER Don e 540 DIM Messag e$ ...

  • Agilent Technologies E1445A - page 30

    Func tion al Veri fi cati on Exam pl e Pr og ram (co nt ’d) 890 Reset_af g 900 ! 910 CLEAR SCREEN 920 PRINT "REF IN/MARKER OUT TEST" 930 P RINT 940 ! 950 !Test conne ctions 960 PRINT "Conn ect Scope to ’M arker Out ’ on the E 144 5A." 970 PRINT "C onn ect Co m ma nd Module ’Clk Out ’ to ’Ref/Sample In’ on the ...

  • Agilent Technologies E1445A - page 31

    Func tion al Veri fi cati on Exam pl e Pr og ram (co nt ’d) 1340 PRI NT "Ve rif y th at no signal app ears on the sco pe. " 1350 PRIN T "Press ’Continu e’ to se nd a STA RT A RM . " 1360 PRIN T 1370 Wai t_fo r_c ont 1380 ! 1390 !Set ’T RIG OUT’ t o 5V 1400 OUTPU T @ Cm d_m od ; "OUTP: EX T: LEV 0" 1410 ! 1420 ...

  • Agilent Technologies E1445A - page 32

    Func tion al Veri fi cati on Exam pl e Pr og ram (co nt ’d) 1760 REPEAT 1770 OUTP UT @ C md_m od; " O UTP :E XT: LE V 1" 1780 WAIT 1 1790 OUTP UT @ C md_m od; " O UTP :E XT: LE V 0" 1800 WAIT 1 1810 UNTI L Done 1820 OFF KBD 1830 SUBEN D 1840 ! 1850 SUB O ut pu t_ relay 1860 COM @Afg, @ Cm d_m od , INTEG ER Don e 1870 ! 1880 Re ...

  • Agilent Technologies E1445A - page 33

    Func tion al Veri fi cati on Exam pl e Pr og ram (co nt ’d) 2140 SUB Key _press 2150 COM @Afg, @ Cm d_m od , INTEG ER Don e 2160 Done =1 2170 DISP 2180 SUBEN D 2190 ! 2200 SUB W ai t _for_ cont 2210 DIS P "Pr ess ’C ont inue ’ whe n rea dy" 2220 PAUSE 2230 DISP 2240 SUBEN D Agil ent E 144 5A Se rvice Manu al Ver ificat ion Te sts 31 ...

  • Agilent Technologies E1445A - page 34

    O p er at i o n Verification Operation Veri ficati on is a subset of th e Pe rform a nce Ve rifi cati on te sts that follow. For the AF G , Op era tio n Verifica tio n c o nsis ts of the follow i ng tests: • DC Acc uracy • AC Acc uracy • Total H a rm oni c Distor tio n Performance Verification Th e pr oced ures i n thi s s ecti on a re us ed ...

  • Agilent Technologies E1445A - page 35

    Test 2-1: DC Zer os Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for DCV acc uracy for an outp ut of zer o volt s. An ar bit rar y wavefo rm consi stin g of zer os is us e d. The am pli tude is varied in or de r to te st e a ch atte nuato r. Equi p men t Setu p • Conne c t equipm ent as shown i ...

  • Agilent Technologies E1445A - page 36

    Test 2-1: DC Zer os (cont’ d) Te st P roc edur e (c ont’ d) 3. Cr eat e a user-def ined wavefo rm made up of zeros: LIST: SEG M: SEL ZE R OS Select segm ent name LIST: SEGM: DEF 8 # of segme nt point s LIST:SE GM:VOLT 0,0,0, 0,0,0,0,0 Segmen t list LIST: SSEQ : SEL D C_ ZERO S Select seque nce name LIST: SSEQ : DEF 1 # of segm e nts LIST: SSEQ: ...

  • Agilent Technologies E1445A - page 37

    Test 2-1: DC Zer os (cont’ d) Te st P roc edur e (c ont’ d) Table 2- 1. DC Zero s Test P oints Attenuation (d B) Ampl itud e (vo l ts ) Filter Test Limits (vo l ts ) 0 .99 1 2 4 8 13 14 30 10.23750 9.13469 9.12416 8.13192 6.45941 4.07560 2.29187 2.04263 0.32372 None None None None None None None None None 0 ± 0.0220 0 ± 0.0220 0 ± 0.0220 0 ? ...

  • Agilent Technologies E1445A - page 38

    Test 2-1: DC Zer os (cont’ d) Ex am ple P r og ram This pro gr am pe rform s the DC Zeros test. An arbit r ary wave fo rm, con sist ing of z eros , is use d with va riou s amp lit u de s to test a variet y of atten ua tor an d filt er combin at ion s . 10! RE-STORE "DC_ZEROS" 20 COM @Afg 30 DIM Attn (1:9) ,Vo ut(1 :9) 40 ! 50 !- -- -- - ...

  • Agilent Technologies E1445A - page 39

    Test 2-1: DC Zer os (cont’ d) Exam pl e Pr og ram (co nt ’d) 440 PRINT 460 FOR Filter=0 TO 2 470 S ELECT Filt er 480 CASE 0 !No filter 490 OUT PUT @Afg ;"OUTP: FILT OFF" 500 F il ter$="NONE " 510 CASE 1 !250KHZ fil ter 520 OUTPUT @Af g;"OUT P:FILT:FR EQ 250KHZ " 530 OUT PUT @Afg ;"OUTP: FILT ON" 540 F il ...

  • Agilent Technologies E1445A - page 40

    Test 2-2: DC Ac curacy Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for DC acc uracy . Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-5 • Set DMM to DCV, aut o ra nge Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Set up the AFG t ...

  • Agilent Technologies E1445A - page 41

    Test 2-2: DC Ac curacy (co nt ’d) Te st P roc edur e (c ont’ d) Table 2- 2. DC Accu racy Test Points Amplitude (volts ) Filter Test L imits (vo l ts ) 10.2375 5.0 0.0 -5. 0 -10.24 10.2375 -10.24 10.2375 -10.24 None None None None None 250 kHz 250 kHz 10 MHz 10 MHz 10.2375 ± 0.0512 5.0 ± 0.0355 0.0 ± 0.0205 -5. 0 ± 0.0355 -10.24 ± 0.0512 10 ...

  • Agilent Technologies E1445A - page 42

    Test 2-2: DC Ac curacy (co nt ’d) Exam pl e Pr og ram (co nt ’d) 270 !--- ---- -- - Set u p A F G ---- -- ---- 280 OUTPUT @Af g; "*RST" !R eset AFG 290 WAIT .5 300 OUTPUT @Af g;"FUNC DC;"; ! DC functio n 310 OUTPUT @Af g; ":OUTP:LOAD INF ;"; !In finite l oad 320 OUTPUT @Afg; ":VOLT MAX" !MAX ou tput 330 ! ...

  • Agilent Technologies E1445A - page 43

    Test 2-3: DC O ffset Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for DC o ffset ac cu racy. Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-5 • Set DMM to DCV, aut o ra nge Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Delet e al ...

  • Agilent Technologies E1445A - page 44

    Test 2-3: DC O ffset (c on t’d ) Te st P roc edur e (c ont’ d) Perform st e ps 5 - 7 for e ac h o ffset li sted in Table 2- 3: 5. If neces sary, chan ge t he AFG ou tput am pli tude : VOLT:OFFS 0; Se t o f fset to 0 :V OLT <amplit ude> Set ampl it ude where <amp litude > is t he v alue s peci fied in Tabl e 2-3 . 6. Set AFG offset v ...

  • Agilent Technologies E1445A - page 45

    Test 2-3: DC O ffset (c on t’d ) Ex am ple P r og ram This pro gram perform s the DC Off set Test . 10! RE-STORE " DC_OFFSET" 20 COM @Afg 30 DIM Offs et(1:6 ) 40 ! 50 !- -- -- -- --- S et up I /O pa th and r e set AFG -- -- -- ---- 60 ASSIGN @ Afg TO 70910 !AFG I/O pa th 70 OUTP UT @Afg;"* RST;*CLS " !Rese t AFG 80 ! 90 !- -- ...

  • Agilent Technologies E1445A - page 46

    Test 2-3: DC O ffset (c on t’d ) Exam pl e Pr og ram (co nt ’d) 440 FOR I= 1 TO 6 450 IF I<=4 THEN 460 V out= 2.2919 470 ELSE 480 Vout=.407 56 490 E ND IF 500 ! 510 I F Vout <>Vou t _ol d THEN 520 ! Se t offset to zero bef or e chan ging amplitu de 530 OUT PUT @Afg ;" :VOLT:OFFS 0 ;"; 540 OUTPUT @Afg;":VOLT "&VA ...

  • Agilent Technologies E1445A - page 47

    Test 2-4: AC Ac curacy Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for AC acc uracy at 1 kHz. Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-5 • Set DMM to ACV, aut o ra nge Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Se t up ...

  • Agilent Technologies E1445A - page 48

    Test 2-4: AC Ac curacy (co nt ’d) Te st P roc edur e (c ont’ d) 4. Set t he AFG output amp litude : VOLT <amplitude> VR M S Se t amp l i t ud e where <amp litude > is t he v alue s peci fied in Tabl e 2-4 . 5. Tri gger t he DM M and record t he r eadi ng. Tabl e 2-4. AC Accu racy Test Points Ampl it ude (vo l t s r ms) Filter Test L ...

  • Agilent Technologies E1445A - page 49

    Test 2-4: AC Ac curacy (co nt ’d) Ex am ple P r og ram Thi s progra m per forms t he AC Acc uracy T est. 10! RE-STORE "AC_LEVELS" 20 DIM Vout(1:9) ,Fi lter(1 :9 ) 30 ! 40 !- -- -- -- --- S et up I /O pa th and r e set AFG -- -- -- ---- 50 ASSIGN @ Afg TO 70910 60 OUTP UT @Afg;"* RST;*CLS " !Rese t AFG 70 ! 80 !- -- -- -- --- I ...

  • Agilent Technologies E1445A - page 50

    Test 2-4: AC Ac curacy (co nt ’d) Exam pl e Pr og ram (co nt ’d) 420 FOR I= 1 TO 9 430 SELECT Filt er(I ) 440 CASE 0 450 OUT PUT @Afg ;"OUTP: FILT OFF" !No filt er 460 F il ter$="NONE " 470 CASE 1 480 OUTPUT @A f g;"OUT P:FILT: FRE Q 250K HZ " ! 2 50 kHz f ilter 490 OUT PUT @Afg ;"OUTP: FILT ON" 500 F il ...

  • Agilent Technologies E1445A - page 51

    Test 2-5: AC F lat nes s - 250 kHz F ilter Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for AC flatne ss with the 250 kHz filt er e na b le d. Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-6 • Set DMM to ACV, aut o ra nge Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Rese ...

  • Agilent Technologies E1445A - page 52

    Test 2-5: AC Flat nes s - 250 kHz F ilter ( con t’d) Te st P roc edur e (c ont’ d) 3. Set t he AFG output to the re ference f requenc y ( 1 kHz ): FREQ 1000 Set freque ncy 4. Measure the am pli t ude with the DMM a nd c onv e rt th e re ad ing to dBm. No te the resul t for use in step 6: Reference Level ( dBm ) = 20 × log ï Reading ( vol ts ) ...

  • Agilent Technologies E1445A - page 53

    Test 2-5: AC Flat nes s - 250 kHz F ilter ( con t’d) Te st P roc edur e (c ont’ d) Table 2-5. AC F latn ess Test P oints - 250 kHz Filt er Freq uen cy (Hz) Test Limits* ± (dB error) Freq uenc y (Hz ) Test Limi ts* ± (dB erro r) 10E3 20E3 30E3 40E3 50E3 60E3 70E3 80E3 90E3 100E3 110E3 120E3 130E3 0.05 dB 0.05 dB 0.05 dB 0.05 dB 0.05 dB 0.05 dB ...

  • Agilent Technologies E1445A - page 54

    Test 2-6: AC F lat nes s - 10 MH z Filte r Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for AC flatne ss with the 10 M Hz filt er e na ble d. Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-6 • Set DMM to ACV, aut o ra nge Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset ...

  • Agilent Technologies E1445A - page 55

    Test 2-6: AC Flat nes s - 10 M Hz Filte r ( cont’d ) Te st P roc edur e (c ont’ d) 7. Set up the Power Me te r: Units - Watts Power Range - aut o Reference Oscillator - O N NOTE Follo w the Pow e r Mete r m an ufactu re r’ s inst ructions for perform i ng an auto ca libr ation and corr e cti ng for the powe r se ns or. 8. Connec t the eq uipm ...

  • Agilent Technologies E1445A - page 56

    Test 2-6: AC Flat nes s - 10 M Hz Filte r ( cont’d ) Te st P roc edur e (c ont’ d) 10. Ca lc ul at e th e corr ecti on factor th at wi ll be use d to r e fer e nc e th e Pow e r M et er to th e DM M: Correction F actor = DMM reading at 100 k Hz ( step 6 ) Power M eter reading at 100 k Hz ( step 9 ) Repeat 11 - 14 for eac h frequ e n cy in Table ...

  • Agilent Technologies E1445A - page 57

    Test 2-6: AC Flat nes s - 10 M Hz Filte r ( cont’d ) Te st P roc edur e (c ont’ d) Table 2- 6. AC F latness Test Poin ts - 10 MHz Filter Freq uen cy (Hz) Test Limits* ± (dB error) Freq uenc y (Hz ) Test Limi ts* ± (dB erro r) 400E3 800E3 1.2E6 1.6E6 2.0E6 2.4E6 2.8E6 3.2E6 3.6E6 4.0E6 4.4E6 4.8E6 5.2E6 5.6E6 0.2 dB 0.2 dB 0.2 dB 0.2 dB 0.2 dB ...

  • Agilent Technologies E1445A - page 58

    Test 2-7: F reque ncy Accu ra cy Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for fr eque nc y accura cy . Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-8 • Set Coun ter to: Freque nc y, 50 Ω input im pedance Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d ...

  • Agilent Technologies E1445A - page 59

    Test 2-7: F reque ncy Accu ra cy (con t’d ) Te st P roc edur e (c ont’ d) 3. Set ref ere nc e osc illa tor to INT1 or I NT 2, as sp e cifie d in Tabl e 2-7: ROSC:SOUR I NT1 Set ref os c t o INT1 or ROSC:SOUR I NT2 Set ref os c t o INT2 4. Se t mar ker s our ce to "ROSC " or "TRIG" , as s peci fied in Tabl e 2-7 : MARK:FEED & ...

  • Agilent Technologies E1445A - page 60

    Test 2-7: F reque ncy Accu ra cy (con t’d ) Te st P roc edur e (c ont’ d) Tabl e 2-7. Freq uency Accuracy T est P oints Ref Oscillator Source M arker Source Squarewave Frequ ency (Hz) Test Limi ts (Hz )* INT 1 INT 2 INT 2 INT 2 INT 2 "ROS C " "ROS C " "TR IG" "TR IG" "TR IG" ----- ----- ----- -- ...

  • Agilent Technologies E1445A - page 61

    Test 2-7: F reque ncy Accu ra cy (con t’d ) Exam pl e Pr og ram (co nt ’d) 250 !- -- -- ---- - S et u p A FG - ---- -- --- 260 OUTPUT @A fg;" *RST" !R eset AFG 270 WAIT .5 280 ! 290 !- -- -- ---- - P e r form tes t -- ---- -- -- 300 FOR I= 1 TO 5 310 PRINT "Exp ected r eadi ng =";Freq( I ) 320 PRI NT 330 IF I=1 THEN 340 OUT ...

  • Agilent Technologies E1445A - page 62

    Test 2-8: Du ty Cy cle Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for squa re wa ve duty cycle. Du ty cy cle i s d eterm ined by meas uri ng pos itiv e pulse width. Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-9 • Set Coun ter to: Pulse Wid th, DC coupl ing, 50 Ω in pu ...

  • Agilent Technologies E1445A - page 63

    Test 2-8: Du ty Cy cle (co nt’ d) Te st P roc edur e (c ont’ d) 4. Se t the AFG fr eque ncy ran ge as speci fied in Tabl e 2-8 : FR EQ :RA NG MA X Enabl e dou bli ng or FR EQ :RA NG MI N Disa ble doub ling 5. Set AFG output freq ue ncy: FRE Q <frequency> Set freque nc y where <f requen cy> is th e va lu e sp e c if ie d in Ta bl e 2 ...

  • Agilent Technologies E1445A - page 64

    Test 2-8: Du ty Cy cle (co nt’ d) Ex am ple P r og ram This pro gr am pe rform s the Duty Cyc le Test . 10! RE-STORE " DUTY_CYCLE" 20 DIM Freq(1:4) , Range $( 1 :4)[10] 30 ! 40 !- -- -- -- --- S et up I /O pa th and r e set AFG -- -- -- ---- 50 ASSIGN @ Afg TO 70910 60 OUTP UT @Afg;"* RST;*CL S" !R eset AFG 70 ! 80 !- -- -- -- ...

  • Agilent Technologies E1445A - page 65

    Test 2-8: Du ty Cy cle (co nt’ d) Exam pl e Pr og ram (co nt ’d) 410 ! Take r eadi ng s her e 420 PRI NT "Out pu t Frequ ency =";Freq( I );" Hz " 430 PRI NT 440 PRINT "Rea d posit i ve pulse width ( aver age at leas t 10 period s)." 450 I NPUT "Enter posit i ve pulse width ( in sec):", P os_ w id th 460 ! ...

  • Agilent Technologies E1445A - page 66

    Test 2-9: T otal H arm on ic Di sto rtion Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for sin e wave total harmo n ic dist ortion (THD) . Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-1 0 • Se t Sp e ct r u m A na ly z e r to : R e f Le ve l = 25 dB m Freq Spa n = 1 kHz Re ...

  • Agilent Technologies E1445A - page 67

    Test 2-9: T otal H arm on ic Di sto rtion (co nt ’d) Te st P roc edur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Se t the AFG t o outp ut a sine wave wi th th e 10 M Hz f ilter en abled: VOLT 24DBM Set AFG ampl itude OUT P:F ILT :F REQ 10 MHZ Se t fi lter t o 10 MH z OUT P:F ILT ON En a bl e filt er IN IT :IMM I ni ...

  • Agilent Technologies E1445A - page 68

    Test 2-9: T otal H arm on ic Di sto rtion (co nt ’d) Te st P roc edur e (c ont’ d) Table 2-9. T HD Test Points Frequency (Hz ) Tes t Lim its * (dBc) 100 E3 250 E3 1 E6 4 E6 10 E6 -60 -60 -48 -36 -36 * T hrough 9th harm onic Ex am ple P r og ram This pro gr am perfor m s the Tota l Ha rmoni c Distortio n Te s t. 10 ! RE-STORE " SINE_THD&quo ...

  • Agilent Technologies E1445A - page 69

    Test 2-9: T otal H arm on ic Di sto rtion (co nt ’d) Exam pl e Pr og ram (co nt ’d) 230 PRINT "Con nect Spectrum Anal yze r to AFG O utput . " 240 DISP "Pre ss ’ C onti nue’ when read y" 250 PAUSE 260 ! 270 !- -- -- ---- - S et u p A FG - ---- -- --- 280 OUTPUT @A fg;" *RST" ! Reset AFG 290 WAIT 1 300 OUTPUT @A ...

  • Agilent Technologies E1445A - page 70

    Test 2-9: T otal H arm on ic Di sto rtion (co nt ’d) Exam pl e Pr og ram (co nt ’d) 600 ! Mea sur e har mo ni cs 2- 9 610 Sum_amp_s qr= 0 620 F OR Har monic=2 TO 9 630 GOS UB Meas_a mp 640 Sum_amp_s qr= S um_am p_s qr + 10^ (Res ul t/10 ) !Sum of squ ar ed vol tages 650 NE XT Har moni c 660 ! 670 Thd=20*LG T( SQ RT(Su m _am p_sq r )) !Calcul at ...

  • Agilent Technologies E1445A - page 71

    Test 2-10 : S pur iou s/No n-H armo nic Dist or tion Descripti on The pur pos e of thi s te st is to verify th at the AFG me e ts it s specificat ions for non -harm onic and spu rious di stortion. Equi p men t Setu p • Conne c t equipm ent as shown in Figur e 2-9 • Se t Sp ect rum A naly ze r t o : Ref Level = -5 dBm Reso luti on B W = 3 kHz Vi ...

  • Agilent Technologies E1445A - page 72

    Test 2-10 : S pur iou s/No n-H armo nic Dist or tion ( con t’d) Te st P roc edur e (c ont’ d) Pe r form st e ps 3 an d 4 f or ea ch f req u enc y ran ge listed in Tabl e 2-10 : 3. Se t the Spect ru m Analyze r start freque nc y and stop frequen cy to th e values li sted in Table 2- 10. 4. Measure the am pli t ude (in dB m) of the highest peak. ...

  • Agilent Technologies E1445A - page 73

    Test 2-10 : S pur iou s/No n-H armo nic Dist or tion ( con t’d) Ex am ple P r og ram This pro gr am pe rfor m s the Sp ur ious /Non-harmo nic Tes t. 10 ! RE-ST ORE " NON_HARM" 20 DIM Start_f req (1:9) , Sto p_f re q(1 :9),M ax_a m p l(1:9) 30 ! 40 !- -- -- -- --- S et up I /O pa th and r e set AFG -- -- -- ---- 50 ASSIGN @ Afg TO 70910 ...

  • Agilent Technologies E1445A - page 74

    Test 2-10 : S pur iou s/No n-H armo nic Dist or tion ( con t’d) Exam pl e Pr og ram (co nt ’d) 400 !- -- -- ---- - P e r form tes t -- ---- -- -- 410 FOR I= 1 TO 9 420 CL EAR SCREE N 430 PRINT "Set Spec trum A nalyze r Start Fr eq t o: ";St art_f r eq( I); "Hz " 440 PRINT "Set Spec trum A nalyze r Stop Fr eq t o: " ...

  • Agilent Technologies E1445A - page 75

    Performance Test Record Ta bl e 2- 11 , Performan ce T est Recor d for th e Agile nt E144 5A AFG , i s a form you c a n co py a nd use to r e co rd perfo rma nc e ve ri ficati on test result s for the AFG. Tabl e 2-11 shows AF G accur acy , m easu rem ent unc e rtainty, and t est ac curacy r at io ( TAR) va lues. AFG T est Lim its Te s t li mi t s ...

  • Agilent Technologies E1445A - page 76

    Te st Ac cu rac y Ratio (TA R) Test Accurac y Rati o (TAR ) for the E144 5A is defined as: AFG Accur acy/ Measure ment Un cer taint y, i.e. , TA R = Max imum − Expected Reading Measurement Uncertaint y For singl e-si ded measure ments , Test Acc ur acy R atio is no t defined, so ’NA’ (Not A ppl ic a ble ) wil l ap pear in the TAR column . For ...

  • Agilent Technologies E1445A - page 77

    Table 2- 11. Perfo rmance Test Reco rd fo r the Ag ilent E 1445A (Pag e 1 of 7) Test Fa cility: Name _____ ________ ____ ________ ____ ____ ____ Address _____ ________ ________ ________ ________ City/Stat e __ ________ ____ ________ ____ ________ _ Phon e _____ ________ ____ ____ ________ ____ ____ Repo rt No. ______ ________ ____ ________ ____ ___ ...

  • Agilent Technologies E1445A - page 78

    Table 2- 11. P erformance T est Record f or t he Agi lent E1445A ( Page 2 of 7) Mode l ______ ____ ________ ____ ____ ___ Report No. ________ ____ ________ ____ ____ Da te _______ ________ Test Equipm en t Used : De scr ip tion Mode l No. Trace N o. Cal D ue Dat e 1. ______ ____ ________ ____ ________ _ 2. ______ ____ ________ ____ ________ _ 3. __ ...

  • Agilent Technologies E1445A - page 79

    Table 2- 11. Perfo rmance Test Reco rd fo r the Ag ilent E 1445A (Pag e 3 of 7) Mode l ______ ____ ________ ____ ____ ___ Report No. ________ ____ ________ ____ ____ Da te _______ ________ Test Desc ription* Minimum M easure d Re ading Maxi mum Mea s Uncert TAR Test 2-1. D C Zer os Tes t (V alues i n Vdc) No Filt er: 10.23 75V (0 d B a tten) 9.134 ...

  • Agilent Technologies E1445A - page 80

    Table 2- 11. Perfo rmance Test Reco rd fo r the Ag ilent E 1445A (Pag e 4 of 7) Mode l ______ ____ ________ ____ ____ ___ Report No. ________ ____ ________ ____ ____ Da te _______ ________ Test Descri ption Minimum M easure d Re ading Maxi mum Mea s Uncert TAR Te st 2-2. D C Accur acy Test (Value s i n Vdc) No Filt er: 10.23 75V 5.0V 0.0V -5 .0V -1 ...

  • Agilent Technologies E1445A - page 81

    10 MHz Fi lte r: 7.239 V (0 dB att en) 7.1561 _____ ____ ___ 7. 322 8 2.4 6E -3 > 10:1 Table 2- 11. Perfo rmance Test Reco rd fo r the Ag ilent E 1445A (Pag e 5 of 7) Mode l ______ ____ ________ ____ ____ ___ Report No. ________ ____ ________ ____ ____ Da te _______ ________ Test Descri ption Minimum M easure d Re ading Maxi mum Mea s Uncert TAR ...

  • Agilent Technologies E1445A - page 82

    Table 2- 11. Perfo rmance Test Reco rd fo r the Ag ilent E 1445A (Pag e 6 of 7) Mode l ______ ____ ________ ____ ____ ___ Report No. ________ ____ ________ ____ ____ Da te _______ ________ Test Descri ption Minimum M easure d Re ading Maxi mum Mea s Uncert TAR Test 2-6. A C Fl at ness T est - 10 MHz Filt er (V alues i n dB er ror, relat i ve to 1 k ...

  • Agilent Technologies E1445A - page 83

    Table 2- 11. Perfo rmance Test Reco rd fo r the Ag ilent E 1445A (Pag e 7 of 7) Mode l ______ ____ ________ ____ ____ ___ Report No. ________ ____ ________ ____ ____ Da te _______ ________ Test Descri ption Minimum M easure d Re ading Maxi mum Mea s Uncert TAR Test 2-7. Fr eque ncy Accura cy Tes t (V alues i n Hz) * Mark er so urc e is "ROS C ...

  • Agilent Technologies E1445A - page 84

    82 V er if i c at ion Te s ts Ag il en t E1 44 5A Ser v i c e Manu al ...

  • Agilent Technologies E1445A - page 85

    Chapter 3 Adjustmen ts Introduction The proced ur es in this chapt er sho w how to pe r fo rm the fo llowi ng ele ct ro nic ad justments for the A F G : • DC Acc uracy • AC Flatness ( 250 kHz and 10 MHz fi lter s) • Sk ew NOTE The DC adjus tment pro cedure shoul d be p erformed before t he AC flatness adju stment pr ocedures. Re quired Equipm ...

  • Agilent Technologies E1445A - page 86

    Calibr ati on Command s (co nt’ d) • CALibra tion:SE Cure[ :ST ATe] <mode>[, <code>] enabl es ( <mode> = ON) or disables ( <mod e> = OFF) cali bration sec ur ity . The sec ur ity c ode is r equir e d f or CAL:S EC: STAT OF F , bu t the co de is optio nal for CA L :S E C:S TA T ON . The *RS T com ma nd als o ena ble s c a ...

  • Agilent Technologies E1445A - page 87

    Calibr ati on Command s (co nt’ d) • CALibrati on:DATA:FILTer <block> trans f ers the tw o c a libr a tio n cons tants that are use d to de te r min e the freq ue nc y poin ts that will be cali brated for the 10 MHz f ilter. The q uery fo rm re turns the cu rr ent cons tants in IEEE-488.2 definite block data format. See the AC Flatne ss A ...

  • Agilent Technologies E1445A - page 88

    Defeat ing Cali bration Security If the ca libr a tio n security c ode is unk nown, the sec u rity f e at ur e ca n be defe ated by dis assembl ing t he AF G and mov ing t he j umper on co nnector J10 4 (see F i gure 3- 1) to the unse c ure d posi tion (left-mo st pins). To pre ve nt acci dental or unaut hor ized cali brat ion, move t he j umper ba ...

  • Agilent Technologies E1445A - page 89

    DC Adjustment Procedure Descripti on A DC adjustment is performed on the AFG by reading a serie s of volta ges and resistances output by the AFG, the n entering those values back into the AFG. After all me asurements have been completed, new c alibration constants are calculated and stor ed in non- volatile memory. To ensure accuracy, perform the D ...

  • Agilent Technologies E1445A - page 90

    DC A dju stm ent P roced ur e (con t’d ) Ad ju stme nt P roc ed ur e 1. Reset th e AFG: *RST;*CLS Reset AFG an d cl ear statu s registe rs 2. Enable c al ibr a tion on the AFG: CAL:SEC:ST AT OFF, <securit y code> Ca l securi ty off where <code > is th e AFG’s secu rit y code (fa ct ory-se t to " E1445A") . 3. Sen d the co ...

  • Agilent Technologies E1445A - page 91

    DC A dju stm ent P roced ur e (con t’d ) Te st P roc edur e (c ont’ d) 5. Tri gger t he DM M and note th e r eading. 6. Send the rea din g to the AFG : CAL:DC:POINT? <reading > where <reading> is the DMM rea ding from step 5. The AFG will retur n, in or de r, the num ber of the cur ren t cal po int and an error c ode . Any no n-zer ...

  • Agilent Technologies E1445A - page 92

    DC A dju stm ent P roced ur e (con t’d ) Ex am ple P r og ram 10 ! RE-STORE "DC_ADJ UST" 30 !This prog ram per f orms t he f irmw ar e-g uided D C adjus t men t proce dure 40 !for the E1 445A Ar bi trar y Func tion Gener at or. An 3458 A DMM 50 !is require d. 60 ! 70 DIM Resul ts( 1: 44) 80 INTEGER Ca l_point, Max_cal_ point,Pro blem,Er ...

  • Agilent Technologies E1445A - page 93

    DC A dju stm ent P roced ur e (con t’d ) Exam pl e Pr og ram (co nt ’d) 450 IF Cal_point=3 0 THEN !Speci al case -- set range no w 460 OUT PUT @Dmm; "RANGE 1 0" 470 E ND IF 480 ! 490 OUT PUT @Afg ;"CAL:DC: POINT? ";Re ading ! Send c al v alue to AFG 500 ENTER @Af g; This_p oint,Err_num !Returns current point , er r cod e 510 ...

  • Agilent Technologies E1445A - page 94

    DC A dju stm ent P roced ur e (con t’d ) Exam pl e Pr og ram (co nt ’d) 900 CASE =31 !Cal poi nt 31 910 OUTPUT @Dmm; "RANGE 10" 920 CASE =33 !Cal point 33 930 OUTPUT @Dmm; "RANGE .1" 940 CASE =41,=43 !Cal point 41,43 950 OUT PUT @Dmm;"F UNC DCV;RANGE .1" 960 GOSUB Read_ dmm !Read voltage - this will 970 !Dete rmi n ...

  • Agilent Technologies E1445A - page 95

    AC F lat nes s Ad jus tment Pro ced ure - 250 kHz F ilte r Descripti on This pro ced u r e adjus ts the AC calibr a tio n c o nsta nt s f or th e 25 0 kH z filte r. The AC F la tness Te st f or the 250 kH z f ilte r (s ee Ch a p te r 2) is per f or me d wi th AC co rre c tion s di s a bl ed . The resu lts a re us ed t o ca lcu l ate n ew cali brat ...

  • Agilent Technologies E1445A - page 96

    AC F lat nes s Ad jus tment Pro ced ure - 10 M Hz F ilte r Descripti on This pro ce du r e ad jus t s the AC c a libr a tio n c o nsta nt s f or th e 10 MH z fil ter. The A C F la tne ss Te st f or the 10 MH z f ilte r (see Ch a pte r 2) is perf o rme d wi th AC co rre c tion s di s a bl ed . The resu lts a re us ed t o ca lcu l ate n ew cali brat ...

  • Agilent Technologies E1445A - page 97

    AC F lat nes s Ad jus tment P roced ure - 10 M Hz F ilte r (co nt’ d) Ad ju stme nt P roc ed ur e (c ont’ d) NOTE Rev A.02.00 (use the *IDN? command to de te rmi ne the firmw are re vision ) allo ws th e 10 MHz f ilter to be repl aced with a f ilter th at has a l ower cutoff freque nc y (the 10 MH z filt e r mu st be re plac e d at th e factory ...

  • Agilent Technologies E1445A - page 98

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Ex am ple P r og ram 10! RE-STORE "AC_FL AT" 30 !This prog ram perf orm s the A C f la tn ess ad j ust me nt procedur e f or 40 !the E14 45A Arb itr ary Funct ion G en er ato r. An 3458 A DMM 50 !and an Agil ent 8902 A Mea sur ing R eceive r are requi red . 60 ! 70 !To perfor m the fl ...

  • Agilent Technologies E1445A - page 99

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 420 F l atness: SUB Flatness(F ilter$, Mode$) 430 COM @A fg,@Dmm, @Pwr_mtr ,@An aly zer,S ecur e_co de$ 440 COM /F lat/ I NTEGER Num _points ,Max _con 450 INT EGER Fil te r,Ac_ cal_i nt(1:2 ) 460 CLEAR SCREEN 470 ! 480 !- ---- -- -- - Initia li ze v ari ables - ...

  • Agilent Technologies E1445A - page 100

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 830 OUT PUT @Afg;"F UNC SIN;"; !S ine 840 OUTPUT @Afg;":VOLT "&VAL$(Ampl_dbm)&"DBM;"; ! Set amplitude 850 OUT PUT @Afg ;":OUTP: LOAD 50 ! 50 oh m l oad 860 OUTPUT @Afg;"CAL:STATE:AC "&VAL$(Mode$="M&qu ...

  • Agilent Technologies E1445A - page 101

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 1270 Offs et_fa ctor =Dmm_re f 1280 PRINT "CORRECT ION FACTOR =" ;Cor rect_ factor 1290 PRINT 1300 PRINT 1310 PRINTER IS CRT 1320 ! 1330 ! 1340 !---------- Perfo rm me asur em ent s at t est freqs ---------- 1350 ! 1360 PRINT " F REQ READING (V) E ...

  • Agilent Technologies E1445A - page 102

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 1690 !Use regist er com m ands to ge t to 10. 8M Hz 1700 OUT P UT @A fg;"DIAG :PO KE #HE000A1 , 8,0" ! PHASE_A1,0 1710 OUT PUT @Afg;"DIAG:P OKE #H E000A3 ,8 ,126" !PHASE_A2,126 1720 OUT P UT @A fg;"DIAG :PO KE #HE000A5 , 8,95" ! PHA ...

  • Agilent Technologies E1445A - page 103

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 2180 OUT PU T @ Afg ;Ac _cal_c ons(*) !L oad ar ra y 2190 OUTPUT @Afg USING "# ,K";CHR$ (10),END !LF,EOI 2200 ! 2210 ASSIGN @A f g TO Addr ess !Ba ck to default at tribut es 2220 OUTPUT @Afg; "CAL:SEC:S TATE ON" !Dis able ca l 2230 ! 2240 PRI ...

  • Agilent Technologies E1445A - page 104

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 2640 DISP "C onne ct Pow er Met er to AFG O ut pu t , then pr ess ’Continu e’" 2650 PAUSE 2660 DISP 2670 OUTP UT @P wr_mt r;" I P" !Ins t rument pr eset 2680 OUTPUT @Pwr_ mtr;"AU M4 WT" !Auto opera ti on, RF powe r, wa tts 2690 ...

  • Agilent Technologies E1445A - page 105

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 3080 FO R I=1 TO M ax_con 3090 Cal_re al(I) =Cal _refle ct(I ) 3100 IF I=1 THEN Ca l_rea l(I )=Cal_ reflec t( I)/S cale( 1) ! M_p lus 3110 IF I=2 THEN Cal _r eal( I)=C al_r eal ( I)/S cale( 11) ! P_base 3120 IF I=3 THEN Ca l_rea l(I )=Cal_ reflec t( I)/ Scale( 2 ...

  • Agilent Technologies E1445A - page 106

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 356 0 !Che ck f or va l id ca l 3570 Max_filter _db= M AX(C al _real (6 ),Cal _r eal(7 ),0) 3580 Min_filte r_d b=M I N(Cal_r eal ( 6),Cal _r eal( 7),0) 3590 ! 3600 Max_att n_db =0 3610 Min_attn_ db=0 3620 F OR I=8 TO 1 2 3630 IF Cal_real( I)>0 TH EN 3640 Max_ ...

  • Agilent Technologies E1445A - page 107

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 4020 SUB Sy st_err(Address) 4030 COM @Af g, @ D mm,@ P wr_ mtr ,@A n al yzer , Secur e_c ode$ 4040 COM /Fl at/ IN TEG ER Num _po i nts ,Max _con 4050 DIM Messag e$[256] 4060 REPEAT 4070 OUTPUT Address;"SYST:ERR?" 4080 ENTE R Ad dre ss; Code , Mes sage ...

  • Agilent Technologies E1445A - page 108

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 4430 ELSE 4440 Block(1 )=N 4450 Block(2 )=Div 4460 ! 4470 OUTP UT @ A fg;"C AL: SEC : STA TE O FF , "&Sec ure _cod e$ ! En able cal 4480 ASSIGN @Afg TO Ad dres s;F ORMAT OFF 4490 OUTPUT @Afg USING "#,K" ;"CAL :DATA:FIL TER # 0" ...

  • Agilent Technologies E1445A - page 109

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 4910 ! 4920 SUB Sec ur ity_c ode 4930 COM @Af g, @ D mm,@ P wr_ mtr ,@A n al yzer , Secur e_c ode$ 4940 COM /Fl at/ IN TEG ER Num _po i nts ,Max _con 4950 CLEAR SCREEN 4960 OUTPUT @Af g;"*RST;* CLS" 4970 ! 4980 Valid=0 4990 REPEAT 5000 Secure_co de$=&q ...

  • Agilent Technologies E1445A - page 110

    AC F lat nes s A djus tm ent Pro ced ure (c on t’d ) Exam pl e Pr og ram (co nt ’d) 5380 For ma t_ num : DE F FNFor m at _num $( Val ue,N ot _e xp_m ax , INTEG ER Le ngt h, Not _ex p_img$,Exp_ img$ ) 5390 INTEGER Di ff 5400 SEL ECT ABS(Value) 5410 CASE <1.E-9,>=1.E+10 5420 IF NOT POS( Exp_i m g$," ZZ" ) T HEN 5430 OUTPUT String ...

  • Agilent Technologies E1445A - page 111

    Skew DAC Adjustment Procedure Descripti on This p ro cedu re comp en sates for ti me de la ys be tw e e n the AFG ’s tw o DAC s. The ske w se ttin g which produ c es th e lo w es t se co nd ha r mon ic am plit ude is found and l oaded into non- volat ile memo ry. Equi p men t Setu p • Conne c t the eq uipm ent as shown in Figur e 3-3 • Set up ...

  • Agilent Technologies E1445A - page 112

    Skew DAC Adjustment Procedure (cont’d) Ad ju st ment P roc ed ur e (c ont’ d ) 2. Se t up th e AF G to ou t p ut a n 11 dB m, 4 MH z si n e w av e : FUNC SIN; :V OLT 11 DBM ; :FR EQ 4 E6 IN IT :IMM 3. Load a n init ial value of 1 28 int o the de lay DAC: DIAG:POKE #HE 0000B,8,2 DIAG:POKE #HE 0000D,8,128 DIAG:POKE #HE 0000B,8,7 DIAG:POKE #HE 000 ...

  • Agilent Technologies E1445A - page 113

    Skew DAC Adjustment Procedure (cont’d) Ex am ple P r og ram 10 ! RE-STORE "SKEW_CAL" 20 COM @A fg, @ A nalyze r ,Secu r e_ code $[ 20] 30 INTEGER D ac _bits,Dac_wo r d,Mi n_w or d,M ax_w o r d,St ep_ si ze, Har mo ni c 40 INTEGER Lo c_min,C al_w or d, Sear ch_l oo p, Ma x_se ar ch_l oop , Filter ,Sk ew _co n 50 DIM Id$[ 50] 60 ! 70 !-- ...

  • Agilent Technologies E1445A - page 114

    Skew DAC Adjustment Procedure (cont’d) Exam pl e Pr og ram (co nt ’d) 440 !- -- ---- -- - Per form cal -- -- -- ---- 450 OUTPUT @Afg ;"*R ST;*CLS;* OPC?" !R eset AFG 460 ENTER @ A fg; R esult 470 ! 480 !Set up Spec A na ly zer 490 Setup_ spec(VAL$ (Amp_i n_ dbm -2 )&" DM ",VA L$ (Fr eq* Har mo ni c),Sea r ch_spa n$) 500 ...

  • Agilent Technologies E1445A - page 115

    Skew DAC Adjustment Procedure (cont’d) Exam pl e Pr og ram (co nt ’d) 890 !Set variable s fo r nex t loop 900 MAT SEARCH Me as_array,L OC MIN;Lo c_min !Get locatio n of min r dg 910 Cal_word=W or d_a r ray(Loc_ m in) 920 Mi n _wor d=W ord_array(MAX ( 0, Loc_ min- 1) ) 930 Max_word= Wo r d_array( M IN( (SIZ E( W ord _ar ray ,1 )-1),Lo c_min+1)) ...

  • Agilent Technologies E1445A - page 116

    Skew DAC Adjustment Procedure (cont’d) Exam pl e Pr og ram (co nt ’d) 1280 Wr t _ske w_con:SUB W r t_s kew_c on(INTEG E R Ca l_ word ) 1290 COM @A f g,@ A nalyze r,Secure_ code $ 1300 DIM Id$[ 50] 1310 ! 1320 !Check f irm ware rev 1330 OUTPUT @Afg; "*IDN?" 1340 ENTER @Afg;Id$ 1350 ! 1360 IF POS (Id$," A.0 1.00") THEN 1370 PR ...

  • Agilent Technologies E1445A - page 117

    Skew DAC Adjustment Procedure (cont’d) Exam pl e Pr og ram (co nt ’d) 1690 Me as_2 nd_harm:S UB Me as_2 nd_h arm(Reading ) 1700 COM @A f g,@ A nalyze r,Secure_ code $ 1710 OUTP UT @ A nalyze r;"TS;E1" !Find peak 1720 OUTP UT @ A nalyze r;"MA" !Mea sure amplitud e 1730 ENTER @An al yzer ; Readi ng 1740 SUBEN D 1750 ! 1760 R e ...

  • Agilent Technologies E1445A - page 118

    116 Ad jus t m en ts Ag il en t E1 44 5A Ser v i c e Ma nu al ...

  • Agilent Technologies E1445A - page 119

    Chapter 4 Replac ea ble P art s Introduction This cha pter co ntains in formati on for orderi ng replac eable parts for t he Agile nt E1 445A AF G. Ex ch ang e A ssem blie s Tab le 4 -1 l ists a ssemb lies th at m ay be re place d on an exchan ge bas is (NEW/EXCHANGE ASSEMBLIES). Exchange assemblies a re available only on a tr ad e-i n ba sis . Def ...

  • Agilent Technologies E1445A - page 120

    Table 4-1. Agilent E 1445A Replaceable P arts Ref erence Designa t or Part Number Qty Part Descrip tion Mfr. Code Mf r. P a r t Number NEW/EXCHANGE ASSEMBLIES M E 1445A 1 E14 45A ( N EW) 284 80 ME 144 5A E1 445-6 6201 1 E1445A (EXCHAN GE) 2848 0 E1 445- 662 01 MECHANICAL PARTS HDL1 E1 400-4 5102 * 1 H A NDLE- B OTTO M M ETAL INJEC TI ON MO LD IN G ...

  • Agilent Technologies E1445A - page 121

    Table 4-2. Ag ilent E1445A Reference Designators E1445 A Re ference Designator s A .... ........ .... .... .... .... .... ........ ... as sem bly MP . .... ........ .... .... .... .... .. me c hanica l part CR .. .... .... .... .... ........ .... .... .... .... ...... d iod e PNL .. .... ........ .... .... .... .... ........ .... .... pane l HDL .. ...

  • Agilent Technologies E1445A - page 122

    Figure 4-1. E1445A Replaceable Parts 120 R eplaceab le Part s Agil ent E 1445A Ser vice M anual ...

  • Agilent Technologies E1445A - page 123

    Chapter 5 Servi ce Introduction Th is chapt er c ontains serv ice i nforma tion for the Agilent E1445A AFG, in cludi ng troubl es hoot in g guideli nes and repai r/ma i ntenance gui deline s. WARNI NG Do not pe rform a ny of the ser vice procedur es shown u nl es s you are a q ua li fie d, se rvic e- t rai n e d te chn icia n , an d hav e rea d the ...

  • Agilent Technologies E1445A - page 124

    Troubleshooting Techniques To trou ble sh oot an Agilent E1445A probl em , you sho uld first id e n ti fy the prob lem, and then isol ate the cau se t o a us er-r eplac eable part. Iden ti fy ing the Probl em AFG proble ms can be div ided into three gene r a l c ate gor ie s: • Opera tor erro rs • Cat astr oph ic failure s • Perfo rmance out ...

  • Agilent Technologies E1445A - page 125

    Checking fo r Heat Damage Insp ect the AFG f or s igns of abn ormal i nternal ly gen erate d he at such a s disc olo r ed pri nted circui t boards or co mp onents, dam a ge d ins ulation , or evid en ce of arcin g. If ther e is dama ge , do not operate the AFG unt il you have co r rec ted th e prob le m. Checking Switches/Jum pers Veri f y tha t th ...

  • Agilent Technologies E1445A - page 126

    Removin g BNC Conne ctors Use the f oll owi ng steps to re mov e the AFG fron t pane l B NC connecto rs (r efer to F igu re 5-2): 1. Uns older wires 2. Remove th e two T 8 tor x sc r ews 3. R em ove the BNC connec tor 4. R evers e th e order to r eins tall the co nnector Figure 5-2. Removal of BNC Connector s 124 S erv ice Agil ent E 1445A Ser vice ...

  • Agilent Technologies E1445A - page 127

    Rep ai r/ Maintenance Guidelines This se ct io n provides gui deline s fo r repa ir in g a n d ma in taining the Agil ent E1445A AFG, inc l udi ng: • ESD precaut ion s • So lde r in g printe d cir cu i t b oa rd s • Post- r e pa ir sa fet y ch e cks ESD Prec auti ons Elect ro sta t ic dis c harge ( E SD) ma y da m a ge st a ti c sens it ive d ...

  • Agilent Technologies E1445A - page 128

    126 S erv ice Agil ent E 1445A Ser vice M anual ...

  • Agilent Technologies E1445A - page 129

    ...

  • Agilent Technologies E1445A - page 130

    Copyright © Agilent Te chnologies, Inc.1992-2005 *E1445-90011* E1445-90011 ...

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1. Preface and tips on how to use the manual Agilent Technologies E1445A - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Agilent Technologies E1445A, FAQ or common problems, i.e. places that are most often searched by users in each manual
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