Tektronix 7A22 Instruction Manual
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Tektronix 7A22 Instruction Manual

Tektronix 7A22 Instruction Manual

Differential amplifier
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Tektronix, Inc.
500
P.O. Box
97077
Beaverton, Oregon
070-0931-00
42
Product Group
7A22
DIFFERENTIAL
AMPLIFIER
INSTRUCTION
EXCEU£NCE
COMMITTED
TO
MANUAL
i
Revised SEP 1986
First
r
t
P
i
n
n
g JUL 1969

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Summary of Contents for Tektronix 7A22

  • Page 1 EXCEU£NCE COMMITTED 7A22 DIFFERENTIAL AMPLIFIER INSTRUCTION MANUAL Tektronix, Inc. P.O. Box 97077 Beaverton, Oregon g JUL 1969 070-0931-00 Revised SEP 1986 First Product Group...
  • Page 2 Contents of this publication may not be reproduced in any form without the written permission of Tektronix, Inc. Products of Tektronix, Inc. and its subsidiaries are covered by U.S. and foreign patents and/or pending patents. � TEKTRONIX, TEK, SCOPE.MOBILE, and registered trademarks of Tektronix, Inc.

  • Page 3: Table Of Contents

    7A22 TABLE OF CONTENTS Page Page OPERATING INSTRUCTIONS SPECIFICATION Section Section (cont) IntrOduction. Voltage Measurement ..Electrical Characteristics 1 -1 Signal Input Connectors 1 -1 Deflection Factor. Impedance High Input Gain Display Polarity..Differential Dynamic Range 1 - 1...
  • Page 4 71>22 TABLE OF CONTENTS (cont) SECTION 3 CIRCUIT DESCRIPTION SECTION MAINTENANCE (coni) (coni) Gale Current Compensation Special Parts .... 4- 2 Input Amplifier ..3-- 4 Soldering Techniques .

  • Page 5: Gain

    7A22 TABLE OF CONTENTS (cont) PERFORMANCE CHECK! SECTION PERFORMANCE CHECK! SECTION CALIBRATION PROCEDURE CALIBRATION PROCEDURE (cont) Page (coni) Page L F -3 dB Point ..5-11 Check or Adj us! ..AC Slep Anen Balance ... eMRR ....5-12 Variable Balance ..
  • Page 6 VOLTS/DIY ..Y�'ICAllflil .&ItI(T� � 7A22 Type...

  • Page 7: Dc Offset

    AC (Capaci'i"e) Cou­ 2 Hz or less foetor, low noise measurements. pled Input lower Bandwidlh FreqUMCy The Type 7A22 is designed for use in Tektronix 7000 Series Bandwidth Limit oscilloscopes. POINT Acculaey 1·3...
  • Page 8 Specification-Type 7A22 • • • • • • � • • .� > ""'" • • � " • " • " "0 "0 " " 1.2. Fig. CMIII! F.eq"en<y for 1;lInolo not u< .. dln9 Co ..on Mode Sillnol Ronge.

  • Page 9: Input A And C

    Speciflcatlan-- T yp. 7 A22 ELECTRICAL CHARACTERISTICS Icon') DC Drift Drift with T me (Ambi­ Characteristic Performance Requirements ent TemperatlJre and stont) line Voltoge Co nput Voltage Maximum Short Term p.V (p.P) or 0.1 div (whichever (each input) is greater) in any min te ofter 1 IDireclj Co pled...

  • Page 10: Operating Instructions

    When Ihe 'DC button is depressed the when pressed. Aids in identifying the signal ;s coupled directly to the Input Type 7A22 Iroce when multiple Iraces Amplifier and the enlire inpul signal, are displayed. both AC and �C, is amplified. When the 'GNO' bullon lor none of the bul·...

  • Page 11: Operating Instructions

    About five minutes is sufficient time for warmup when using the Type 7A22 for s hari-term DC meos· A('GND·DC Some function as the + ACGND·DC urements. For long-term DC measurements using switch but applied to the INPUT.
  • Page 12 2. YAK 8Al R425. (Internal adjustment). lOW FREQ -3 dB POINT swilch is used to limit the low 1,0. a. Set the Type 7A22 conlrols as in step frequency response of the Type 7A'22, the unit employs AC stabili:otian. This means that when the switch is set b.

  • Page 13: General Operating Information

    Type lAn, con�ider the method of cou· procedures for setting the gote current to zero. piing that will be used. Ordinary unshielded test leads can sometimes be used 10 connect the Type 7A22 to a signal Voltage Measurement souree, porticulorly when a high level, low·frequency signol is monitored at a low impedance point.

  • Page 14: High Input Impedance

    Fig. 2·6. NOTE Varying the bandwidth of rhe Type 7A22 is useful, for e,,· When the wire straps are removed, R III and R211 ample. when displaying a low-frequency signal. By reducing are disconnected. The deflection factor in the 20 m...
  • Page 15 Operating Instructions-Type 7A22 � � � � ] 11 / �i . � �e a � CMRR 10 10 ••. Fill. 2-4A. 7A22 CMU al V/Olv ",VIOiv. InpuiS OC Coupled. Worsl_caoe dell,adalion due lou"e ,.ololon 2- 6...
  • Page 16 � � � i5� � •• > � • � � > � • • > " " • > • • � CD._ X • Fill. 2-48. 7A22 8ondwid.h cmd VOLTS/DIV Eflor luncllont of Sou'" Ruh'on ... 2- 7...
  • Page 17 Operating Instl'\lclions-Type 7A22 ,�. • � • � > • • � • • • � dB reI. 100 kHz _ 3 d! POINT SETTING _ 3 d8 POINT Fig. 2_5. FREQUENCY RESPONSE os 0 ,, ' flln�'lon of 1A11...
  • Page 18 Operating Instrudians-Type 7A1.2 • 10 Hz Fig. ' .. n<llo" _ 3 d8 lollingo Ilf _ 3 d8 o. Q 2-6. 7A22 FREOUENCY RESPONSE 01 HF POINT POINt 01 D C I .

  • Page 19: Voltage Comparison Measurements

    To accomplish this, apply a reference signal to either in­ can olsa degrade the performance, particularly when low put of the Type 7A22. Set the VOLTS/DIV switch and VA�l_ leyel signals are involved. Electrostatic interference con be ABLE control throughout the subsequent comparisons. The...
  • Page 20 Set Ihe Type 7 A22 conlrols as follows: By using the DC OFFSET controls, it is possible use the Type 7A22 differentially in a slide·back mode, to observe VOLTS/DIV 1 0 V smoll signol whose DC potential difference may be consider·...

  • Page 21: Input Overdrive Indicator

    As a re· - - - suit, amplitude measurements mode under such conditions will flOt 7A22 INPUT OVERDRIVE be accurate. The Type indica· 0" tor provides indication Ihat such a signal is prese"' by lighting before the gain calibration changes by l -t •...
  • Page 22 Readout coded readout will display Ihe de� l O X lOOX : , (P6000. Tektronix Part No. 01 0·0264·0 1 ) . When used in foetor flection lip of probe wilh the rotic I I...

  • Page 23: Circuit Description

    Ihe input attenuatars, the signol is coupled to the A block diagram description covering the general can· preamp. The preamp consists of two identical feedback am' figuration of each circuit in the Type 7A22 is included in plifiers connected in a differential configuration. The over· this se<tion.

  • Page 24: Output Amplifier H F

    Output stage the Output Amplifier by adjusting Ihe common emil­ ler resistance. GENERAL INFORMATION Feedback Amplifiers Since Ihe Type 7A22 utilizes several multi-slage feedback amplifiers, a brief review of feedback systems in general is given. FMdbilck +10 V <l V Modifier Fig.

  • Page 26: Input Attenualors

    2 ) lor switch positions 1 0 p.V R215 1 0 mV. For switch positions above 10 mV, input attenuators are switched by 5108 into the input circuit of the Type 7A22, -Glte CUt'ln1 in conjunction with the gain switching resistors, R407, produce the selected deflection factors.

  • Page 28: Cross Neutralization

    7A22 Circuit Description-Tvpe ..v -to.5 V 4 mA 0153 +NEUTR C141 R,., R153 +0.!5 V R151 +0.6 V to bate +0.5 V of 031" R251 -C.6 V R241 CdU -r- 1 m eu _ _ _ �. 4 mA .0.5 V...

  • Page 29: Input Overdrive Protection

    Circuit Description-Type 7A22 between the two inputs. Consider the effect of applying + 1 [b) For common-mode overdrives the clamping sequence vall to the +input while keeping the input 0 volts (see is essentially similar, except the X I S omplifier does not Fig.

  • Page 31: Output Amplifier

    Description-Type Circuit 7A22 +input 2 mA 2 mA S mA S mA 7 mA +0.25 V - - - - - R151 Offset G • ..or Offset G ..to 250 Q 250 Q - - - - R251 ..
  • Page 32 Circuit Description-Type 7A22 OFFSET R2', R273 VA21. R270 OCBAL COARSE OFFSET R277 R279 3-10. •. Funcllonat o"on.ement of th. off 1 .,ne'ClIO'. Diodes CR413. CR513 prevent bose·emitter reverse break­ gain-setting resistor R407 to zero when the differential input OAIA down in under overdrive conditions: CR419, CR519 limit (gote-Io-gole) voltoge is zero.

  • Page 33: Variable Output Stage

    7A22 Circuit Description-- T ype The HF dB POINT se· HF -3 dB POINT Seletlor. lector simply switches different values of capacitance across R159 the output of the gain-switched stage to set the high fre· quency -3 dB point of the amplifier. The -3 dB paint is adjusted in the 1 MHz position by C425.

  • Page 34: Trace Identify

    1 . It causes the trace, representing the outpul of the Type With a lOX probe connected to the input 7A22, to move a small amount by inserting a 2 kn resistor, bios on 0614 will ollow l OO /lA of coUeclor current to flow.

  • Page 35: Maintenance

    Type 7A22 SECTION 4 MAINTENANCE Change information, if any, affecting this section will found at the rear of the manual. Introduction Visual Inspection Informotion which will oid in keeping the Type 7A21. op­ The unit should be inspected occasionally lor such defeels eroting ot its peak performance is contained in this section.

  • Page 36: Obtaining Replacement Parts

    Be careful nol to remove in­ Standard Parts. All electrical and mechanical port re­ formation printed on the board. placements lor the Type 7A22 can be obtained through your local Tektronix Field Office or representative. However, many the standard electronic components can be ob­...

  • Page 37: Component Replacement Information

    Either or both types of switches may The pushbutton switches are not repairable and should be used in the 7A22. be replaced if defective. Components which are mounted To replace light bulbs in Ihe pushbutton switches, use the...
  • Page 38 Interconnecting Pins the board, remove the lour screws (from the bock side of Interconnecting pins are used on the Type 7A22 to inter­ the board) which hold Ihe com assembly to the circuit connect circuit boards. When interconnection is mode at a boord.

  • Page 39: Troubleshooting

    7A22 the circuit board. Position the pin in the some manner as the 2. Inspect the front panels of the Type 7A22 and indicator oscilloscope to be sure that the trouble is not Irom an in­ old pin. Then, solder the pin on both sides of the circuit board.

  • Page 40: Test Equipment Recommended

    -INPUT circuit. Return good components to their original sockets. If the CRT trace is deflected as a result of a Type 7A22 Check calibration alter a bod component has been reo placed (see Table 4-11.
  • Page 41 Maintenanco--Type 7A22 lector.emitter voltage will vary with the circuit and circuit TABLE 4-2 conditions but it should always exceed V. The best way of checking these devices is by connecting a voltmeter across Transistor Resistance Checks the junction, using a sensitive voltmeter selling (see Fig. 4-2).

  • Page 42: Diodes

    Some diodes used in the Type 7A22 are color coded to identify the diode type. The cathode end of each glan­ frondo .. to 3 dltllh encased diode is indicaled by a stripe, a series of slripes...

  • Page 43: Capacitors

    If the T to be shipped to a Tektronix tor has a value indicated by three significant figures and a Service Center for service or repair, attach a tag Showing: multiplier, it will be color coded ac ding to the ErA stand­...
  • Page 44 Maintenance-Type 7A22 REV NOV 1982...
  • Page 45 ""''' 0 " .. on ..·AI .. � bl<o bIo: on will ' Alii. ' '0 ' Yio on .. ., ' '�I 4-1 1 � ..' AM' ... fl,_ 4.7. Main circuit ..<010. <011.1. Maintenance-Type 7A22...
  • Page 46 7A22 Maintenance -Type 'AO' red on wht vio on blk orn on 'AP' om on 'AN' REV JUN 1984 4- 12 Fig. 4-8. Bandwidth circuil board (components and wire color code).

  • Page 47: Performance Check

    To conduct a Performance Check, complete all parts 01 each step I n the following procedure, except the part sublllied 6. Coaxial Cable. Impedance, 50 Ohms: length 42 inches: ADJUST. To check the performance 01 the 7A22. it is not connectors, eNC.
  • Page 48 Time Constant Optimum square wave response. CHECK/CALIBRATION PROCEDURE This short-form procedure is provided to a id In checking the perlormanceor calibralion ol lhe 7A22. 11 may used as a guide 0,4. Check or Adjust C21S-XI -INPUT Attenuator by the exper ienced operalor or calibralor, or It may be reproduc­...

  • Page 49: Performance Check/Calibration Procedure

    Performance Check/Callbratlon-7A22 PERFORMANCE CHECK/CALIBRATION Preliminary Procedure PROCEDURE li the 7A22 is to be calibrated. insert the plug-in extender Into the oscilloscope and plug the A221ntothe plug-in extender. General If this procedure is a Perlormance Check only, insert the 7A22 The following procedure Is arranged in a sequence which Into the oscilloscope plug-In compartment.
  • Page 50 2. Check or Adjust Variable 8al ADJUST-II the trace Is not on screen. slart at theposllion a. Set the 7A22 VOL TS/DI V switch to 10 mV. ol lhe VOL Ts/DtV switch where an on screen display Is obtained and readjust the Coarse DC Bal, working down to the 50 pV b.
  • Page 51 Performance ChecklCalibratlon-7A22 LOW FREO AC-GND-OC ( HNPUT) POINT AC-GND-OC ( INPUn AC-GND-OC ( � I N PUn STEP ATTEN OC BAl Adjust lor proper DC bal­ AC-GND-OC ( �INPUT) ance. STEP ATTEN OC BAL Adjust for proper dc bal­ ance (soc Operating Sec­...
  • Page 52 1 voll dc. <2% .5 mV 2 mV c. Connect a female to dual banana adapter and a coaKial 5 mV ±2% cable from the DC Power Supply output to the 7A22 INPUT 2 mV 1 0 mV ±2% connector. 20mV ±2%...
  • Page 53 Connect a coaxial cablelrom Ihetee connector tothedual input connector. Connecl a coaxial cable Irom the connector to Ihe Exl In connector on oscilloscope. c. Set the 7A22 controls as follows: S O m V VOLTs/DIV (·1 AG-GNO·DC INPUT) AC-GND-DC (-INPUT) 5-3.
  • Page 54 Performance ChecklCalibratlon-7A22 11. Check or Adjust C241 +Cross Neutralization the Standard Amplitude Calibrator for a 50 mV square­ wave output and connect to the 7A22 HNPUT connector. NOTE The 7A22 POSITION control and the Time Base horizontal positioning control may not always be mentioned. Use Ihese controls as necessary to position Ihe display lor easy viewing.
  • Page 55 Check h. Set Ihe Standard Amplitude Calibrator lor 0.2 peak-to­ . 5 V peak output. , 2 V Check i. Disconnect Ihe dual input connector Irom the 7A22. 10 V Check 50 mV CIOSA Set the 7A22 Controls: .2 V...
  • Page 56 Set the oscilloscope Triggering Source switch to EKt. Set the Standard Amplitude Calibrator output lor 50 V Check or high amplitude signal. Calib VOLTs/DIV AdJu.t lor d. Set the 7A22 controls as follows: Oulput Switch Min. Spike -Input ••• VOLTS/OIV...
  • Page 57 ••• • • • • • • • • • • • • • • • • • • • • • a. Sel lhe 7A22 +INPUT AC-GND-OC swilch to DC and use the oscilloscope controls as necessary lor easy viewing of display.
  • Page 58 Disconnect coalliat cable Irom ·/ Input. constant pop for all checks. 7 A22 Controls d. Switch Ihe 7A22 AC-GNO-OC IHNPUT) 10 GND. VOLTSIDIV e. Swilch the 7A22 VOL TSiDIV 10 VARIABLE CAL IN Simultaneously switch the 7A22 and -AC-GNO-OC...
  • Page 59 Connect a female to dual banana adapter and a coaxial Fig. 5-7). ·1 cable between the DC Power Supply and the 7A22 INPUT. Ihe 7 A22VOL Ts/DIV switch to 1 mV and the Time Base Time/Div switch to 1 ms.
  • Page 60 Coupling Source Mode Auto Check Overdrive Recovery Time a. Connect the Reed Pulse Generator Output to the 7A22 INPUT. b. Connect the Reed Pulse Generator power cable to the " oscilloscope probe power connector (rear panel). c. Switch the Aeed Pulse Generator Polarity switch to +.
  • Page 61 Section 6-7A22 R E PLACEABLE ELECTR ICAL PARTS PARTS ORDERING INFORMATION Replacemenl parts are available 110m orlhrough your local Teklronlx. lnC. Field Olhce 0' rep,esentalive Charoges to Tektromx ,nSlrumerolS a'e somel,mes made 10 accommodate imp,oved comPOroerolS as Ihey become available. and to give you Ihe benellt 01 Ihe latesl clrtuil...
  • Page 62 401 N BRDIIO ST PNtLAOELPHIA PA 19108 111M ELECTRONIC C(M(POHElHS IRe FIXED RESISTORS PNlLAOELPHIA DIY 8OOO<J 1\900 S " GRIFFITH DR BEAVER10N OR 97077 TEKTRONIX INC "',.. P O BOX 500 QClURNS IHSTIlUMOITS INC 6135 MOO t«l Lla aVE RIYERSIOE CII 92506 91637...
  • Page 63 Parts Replar,flablft Electrical 71422 & Serial/Assembly No. Mtr. Tektronix Part Code Des!i;[i�ti o n 8000 . 67tl-1013-o0 610-1013-00 CIRCUIT 80 OSSY:8AHDHloTH 670-1014-00 670-1014-60 8010100 B029999 CIRCUIT 80 OSSY:MAIN BOo09 CIRCUIT 80 DSSY:MlIIN BOO09 670-1014-01 610-1014-01 80'0000 8059999 670-1014-03 CIRCUIT 80 DSSY:MnIN...
  • Page 64 ReplllCftablA Electrical Part. 7/42.2 Mtr. Tektronilll Seriall Auembly No. (C2II9A ) C209 749711 189-0509-Q75 281-Q131-Q0 8060000 CAP,VAR,AIR 01:2.4-24 ,5PF,2S0V "0' , ... 75 (C209C) CAP,VAR,AIR OI:1.8-13PF,37SVOC 7491tl 281-0081-00 "0' (C2090 ) 0151F102FO 283-0594-00 CAP ,FXD ,MICA 01 :0.001UF, 11,1OOV 0085l 53-717-(101 D9-35 'osm!I...
  • Page 65 A.�aCHbl. Electrical Parts 7/1,22 t.4fr. Tektronix Serial/Assembly No. Code 2OOU6O E mI C620 283-<100'HlO CQP,FXD,CER OI:O.0Z2Uf,+80�2Ol,2SV 5982' 2OOU6O E mI 5982' "'0 283-<1000 - «1 CliP ,FXD ,CER 0 1 :O.OZ2UF, +eIl-2Ol,'Z!N 1403 1«i1518 CRtt9 152-(1323-«1 SDlICotIl DYC,OI : S1t ,Sl ,lSV ,D. 1D ,oo�7 14433 1«i1518...
  • Page 66 Raplllr-.. abl .. Electrical Parts 71>22 MI,. Serilll! Assambly No. TeldroniJ\ Oscont 052' S0221iSO TRANSISTOR: PMP ,51 ,R-124 07263 151-0219-00 TRANSISTOR:PNP,SI ,R-124 07263 S0221iSO Q534 151-0219-00 TRnHSISTOR:PMP,SI ,R-124 07263 S0221iSO 151-(1219-00 '54' .". TRANSISTIHI:PMP ,51 ,R-124 07203 S0221iSO 151-o219-{)0 03508 X38l.311S 0614 151-0254-00...
  • Page 67 RepiaCAablR Electrical Parts 71\22 Mfr. Tektronix Serial/Assembly No. Code liES , FXD , FI UI:2,OOK OHM,1I,O. 12St1 , TC=Ttl 19101 5033ED2KII O F 321 -0222-00 R217 R227 19701 S043CX51I!OOJ IIES,FXD,FIUI:51 DtI4,Sl,O.25f1 R219 315-0510-00 HTR2SJ-E05K6 RES,FXD,FIUI:5.6K DHM,St,O.25M 315-0562-<10 12405-4500-0.1 RES,FXO,KM:4,5K OMM,0.11,311,TC=10PPM 00213 "3 3...
  • Page 68 71422 Replaceable Electrica.l Part. Mfr. Tektronix Serial/Auembly No. R353 321-0303-00 RES,FXD,fILM: 14.0K DHM,1I,O.125M,TC=TO 07716 CfAD 14OO1F (R353O) 07716 C£A017402f R353 321-D408-DO RES, fXD , FlLM: 1741: OHM, 11.0.125M, TC=TO (R353E) 5053CX1116QOJ 11353 301-0165-00 8010100 8119999 RES,fXD,FILM:1.6M OHM,51,O.5M 19701 (RlS3F) "'555...
  • Page 69 Replaceable Electrical Parts - 7/4.22 Mfr. Serial/Assembly No. Tektronix "57 5043CX2401lOJ RES,FXD,FI LM:240 OHM,Sl.O.25M 19701 315-0241-00 B09000 0 19701 S053CX47ROOJ RES,FXD,FILM:47 0HM,51,0.5M 0458 301-0470-00 19701 504]CX51ROOJ RES,FXtI , F I LM:51 OHM,Sl,O.25M 0458 315-0510-00 51658 NTR2SJ-E 2K RES,FXD , F I LM:2K OHM,Sl,O.25M ...
  • Page 70 Replaceable Electrical Part. 7K12 Tektrontx Serial/Assembly No. 115-0104-00 RES,FXD,FtLM:100K OHM,Sl,O.25M 57668 NTR2SJ-E1001( '" OOlOOO O ..01121 882235 " 117�-OO RES,FXD,OIPSM:22K OHM,Sl,O.125M 197'01 " l1T0223-00 009000O RES,FXD,FtLM:221 OHM,51,O.25M SOOCX22KIXIJ 9 2U ..RES ,FXD ,OIPSM: 20K CIIt ,51,0.1291 117-{l2(lHIO 01121 88,.35...
  • Page 71 D I AG RAMS AN D C I R C U IT B O A R D I LL U ST RATI O N S Sy m bols and Reference Designators Electrical components shown on the d i agrams are i n the fol l ow i ng u n i ts u n l ess noted otherwise : Capacitors :: Val ues one or greater are in picofarads ( p F ) .
  • Page 72 1--- -1 ---... ---- FL"",.,,,,, POWER SUPPLY '1304- '1314 Q554 '1324 · _ · · I>o. B L I N ?U ,. ':>£oLIOC. TOR'" AC STEP �-< ;Z I SIGI.1AL PRE.AMP SWITCHED OUTPUT � � 1 AM P L I F I E.R AMPLIFIER �...
  • Page 73 ' - 1 o,"" v /o .."TO R 4 0 t \ '''I\ �/ O l \( _._--_._----- _._--_ _. __ . . _. - -,,- ------- + I 'SV T O PIt-J AS R I S 9 ..�...
  • Page 74 - I SV 1" " 1 ",, ':> / O l V . 0 0 \1/ 01 "2..I ",, "' / O IV _ .�__ _ __ R 4 2 1' 1 rn '=' ""V/'OI V 1 \I l' _.
  • Page 76 P I N P I N , " @W� R 3 5 3 A R 3 5 3 E R 3 !5 3 B r �r - - R 3 5 ·3 D 1 7 4 K 1 4 K 1 4 K 1 74 K C 4 2 0 E...
  • Page 77 L A MP G N D + 5V LAMPS -. - -J -\ OS V ___ � .'_._h � .•..• __ , .. _._,� ____ ., ,_"'_.,_-.. .••• --.--- .-.---- ---•. .--•.•. .•. •. ---------... --.. --.-..• .•..-----------..
  • Page 78 S.ctlon 8-7A22 REPLACEABLE MECHANICAL PARTS INDENTATION SYSTEM PARTS ORDERING INFORMATION Thi, meChl"icll par.s list i, indenled IndiClte ilem Replacemenl pari, are available from or Ihrough your local relation,hip'. Following I, In eXlmple ol 'he mdentalion ,ystem Teklronlx. Inc Field Ollice or represenlllt.ve.
  • Page 79 Aeplaceable Mechanical Parts 7A22. CROSS INDEX - MFA. CODE NUMBER TO MANUFACTURER Mfr..anyf.cturer Hll ml lS8UIIG PA 17105 00779 ... INC P O BOX 3608 S825 N TRIPP liVE 06915 RICHCD PLASTIC CO CHICAGO Il 60646 "950 'lSI C01lP...
  • Page 80 7A22 DIFFERENTIAL AMPLIFIER E8 1979 REV 0 F...
  • Page 81 7A22 DIFFERENTIAL AMPLIFIER FEB 1979...
  • Page 82 Replaceable Mechanice.1 Paris - 7A22. & fig. Index Tektronix Serial/Assembly No. Mfr. & Name PUSH BOOO9 BOOO9 166-1059-00 366-1059-00 BUnOM:GRAY ,D.227 00 X D.3 166-1D77..oo 366- - 1 Dn-oo OI)8:GRAY IVSETSCRDI 27238 DRDER BY DESCR 2U-0153-00 .SETSCREX:HD X D.125,STl RESISTDR,VIIA:(SEE ROO REPl)
  • Page 83 7 A22 Replaceable Mechanical Parts & FIg. Mfr. Indelt Seria" Assembly No. , Qi!!<!iRti2 n Tektronllt 80009 1�76-(M 105-0076-04 8122390 RELEASE BIIR,LCH:PUJ(i-IM 11m 21"-1290-00 S"UCi ,HLCPS:O.1" 00 X 1.1Zfi L,ntlST UIOP 80009 21"-1280-00 SHLO GSKT, ElEX: C -SHQpm ." . B6 L 348-0151-00 8010100 8010180...
  • Page 84 7�2. Aepl.cH.ble Mech.nical Parts • • Index Tektronix S.ri.I' ..mbly No. Mlr. & Part No. 12315 Name Part No..l61-()l2&-OC) SPAC�.SlEEYE:D.1 l X 0.1B ID,Gl 361-o3� (00 GnACHIM6 PARTS) 806 ..337-1145-00 8010100 SHtELD,ElIC:LEn SIDE 337-1145-00 ..
  • Page 85 Reptaceable Mechanical Parts 7A22 Fig. & '",," Mfr. Tektronix Seriall Assembly No. & Part N2, 12345 EXTENSIOti SHllfT:5.594 l X 0.125 STEP 00 .0009 *14-0255-00 384-0255-0 0 OOEHSION SHIIFT:9.5 L X 0.125 STEP OO,STL 80009 384-{)]06-oD 384-0306--00 384 -QI I " -OO EXTEHSION SKlIFT: 10.738 L X 0 .
  • Page 86 Replaceable Mechanical Parts 7A2.2 Fu�. & Index Tektronix Serial/Assembly No. M'r. AlEQ ..DTTQCHIt«i PilATS) -<5 • • tlCTUClTOR,CQM SM:I..OM 105-0112-00 105-0112-00 • • 74445 OIlDER BY OESCI 213-[1075-00 SETSCREM.:1-40 O.094.STL • • JrIJT,PLAIN,HEX:2-56 0.1BB,BRS 7370 12157-51) 21D-D405-00 • .
  • Page 87 1A22 Replaceable Mechanical Parts Fig. & Indelll Tektlonbt Mlr. ATTACKII«i PClRTS) " · 00009 131-0&04-00 .CUNueT 80 SMi,SPR,C\J SE 131-0604-00 ,ElEt:tKT .TERMIMDl.PIM:O.365 l X 0.025 BRl 131..o1K8- -O O 22521i 4S283-036 8OOO'J 214-1190-00 .ePLG,SHAFT,RGO:0.125 00 TO 0.125 oo,lIl 214-1190-00 SETseRDI:4-40 X O.094,STl 21)-0075-00 74"5 ORDER BY OESCR...
  • Page 88 MANUAL CHANGE INFORMATION At Tektronix, we continually strive to keep up with latest electronic developments by adding circuit and component improvements to our Instruments as soon as they are developed and tested. Sometimes, due to printing and shipping requirements, we can't get these changes immediately into printed manuals.
  • Page 89 Tektronix- M ANUAL CHANGE INFORMATION COMMI rl EO TO EXCElLENCE Change Reference: Date: Manual Part No.:--D2CHl931-OJ 1G 42 DESCRIPTION l'&f:wur CllILI>G S< 0010100 0059999 670-1D51-<XJ l'&f:INill CIJ.HJN; S< 670-1D51-0l 0060C00 BUB249 A%Y:nrur CllILI>G S< 670-lD5l-<l2 BllB250 = EO A%Y:INill CIJ.HJN; S<...

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