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Tektronix CA PLUG-IN, Instruction Manual

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Tektronix CA PLUG-IN Instruction Manual Download Page 6

C A   also  useful  ln  all  single-trace  applications 

within  its  frequency-response  and  sensitivity 
capabilities.  Maximum flexibility  is  obtainedby 

providing  separate  positioning, sensitivity,  and 
polarity-inverting  Controls  fo r  each  channel.

Operating  Modes

Channel  A only.
Channel B  only.
CHOPPED  (Electronic  switching  at  100  kc.) 
A LT E R N A TE   (Electronic  switching on alternate 
sweeps.)
ADDED  A LG E B R A IC ALLY (Both  channels com- 

bined  at output  (A  + o r -   B)

Amplifier  Sensitivity

Basic  deflection  factor--.05  v/cm,  ac  or  de. 

Nine  calibrated  sensitivities--.05  v/cm  to  20 
v/cm ,  accurate  within  3%  when  set on  any one 
Step.

Input  Impedance

Plug-in  alone  1  megohm  shunted  by  20  pf.

10  megohms  at  14  pf  with  P6000  or  P6017 

probe.

P410  probe  with plug-in  w ill be  10  megohms  at 

7.5  pf.

Physical  Characteristics

Construction--Aluminum  alloy  Chassis. 
Finish--Photo-etched  anodized panel. 
Weight--4  1/2  lbs.

Accessories

2-Instruction  Manuals.

AA

1

1-2

Characteristics  -  Type  CA

Summary of Contents for CA PLUG-IN

Page 1: ...Tektronix Inc S W M illikan W ay P O Box 500 Beaverton Oregon Phone Ml 4 0161 Cables Tektronix Tektronix International A G Terrassenweg 1A Zug Switzerland PH 042 49192 Cable Tekintag Zug Switzerland Telex 53 574 o2 _ h 2 070 318 ...

Page 2: ... to the field there fore all requests for repairs and replace ment parts should be directed to the Tek tronix Field Office or Representative in your area This procedure will assure you the fastest possible Service Please include the instrument Type and Serial number with all requests for parts or Service Specifications and price change Priv ileges reserved New material Copyright 1961 by Tek tronix...

Page 3: ...S Warranty Section 1 Characteristics Section 2 Operating Instructions Section 3 Circuit Description Section 4 Maintenance Section 5 Calibration Section 6 Accessories Section 7 Parts List and Schematic Diagrams ...

Page 4: ...H AN N EL A oc B A I G A IN A D J TYPE CA PLUG IN UNIT r ssöSs S A O NLt A D D E D algesraicalw BO N LY alternate MODE n G A IN A D J v a r i a b l e VOLTS CM VERTICAL POSITION POLARITY normal inverw W w CHAN NEL 8 mm J MIO JO ßßf TEKTRONIX INC P O R T L A N D O R E G O N U S A S E R IA L Type CA AA ...

Page 5: ...parately without electronic switching making the Type AMPLIFIER TRANSIENT RESPONSE Risetime Passband With Instrument Type INPUT SELECTOR switch in any Position INPUT SELECTOR switch in either DC Position INPUT SELECTOR switch in either AC Position 541 541A 545 545A 555 581 585 15nsec DC to 24 Mc 2 cps to 24 Mc 2 cps to 22 Mc with P6000 or P6017 Probe 551 16 nsec DC to 22 Mc 2 cps to 22 Mc 2 cps to...

Page 6: ...te sweeps ADDED ALGEBRAICALLY Both channels com bined at output A or B Amplifier Sensitivity Basic deflection factor 05 v cm ac or de Nine calibrated sensitivities 05 v cm to 20 v cm accurate within 3 when set on any one Step Input Impedance Plug in alone 1 megohm shunted by 20 pf 10 megohms at 14 pf with P6000 or P6017 probe P410 probe with plug in will be 10 megohms at 7 5 pf Physical Characteri...

Page 7: ...o that each channel conducts for about 5psec and then is cut off while the other channel conducts for an equal time Now turn the MODE switch to the ALTERNATE Position There are still two traces on the crt screen but the traces are no longer chopped into small bits For each sweep cycleonechan nel is conducting and the other is cut off The channels are switched at the end of each sweep cycle Note Ei...

Page 8: ... the plug in unit has been in use for a period of time you will notice that the trace will change position as the VARIABLE control is rotated This is caused by tube aging and the resultant shift in operating potentials To correct this condition see Calibration Section Gain Adjustment Aging of the tubes will also affect the gain of the plug in unit See Calibration Section for this adjustment Positi...

Page 9: ...h the oscilloscope s sweep or to provide for adding the Outputs of the amplifiers algebraically POLAR1TY Deter mines whether the dis played Signal will be in phase or out of phase with the input Signal DC BAL A screw driver control to adjust the amplifier balance so the trace doesn t shift as the VARIABLE con trol is rotated VERTICAL POSITION Used to Position the trace vertically on the oscillosco...

Page 10: ...rols should be set for external triggering The external triggering Signal should bear a definite time relationship to the displayed Signals It is possible that the displayed waveform could end up being the 100 kc switching waveform This is possible particularly if the two traces are positioned very far apart The two Signals to be observed will be con nected to the two inputs and both waveforms wil...

Page 11: ...d cause the trace to shift position when the VARIABLE control is rotated The VARIABLE gain control establishes the amount of cathode SECTION 3 C IR C U IT DESCRIPTION coupling and thus allows the stage gain to be varied over about a 2 1 2 to 1 ränge The GAIN ADJ control permits the basic gain of the unit to be accurately set to agree with the front panel calibration Polarity and Positioning With t...

Page 12: ...o the other This alternately switches the amplifiers on and off The switching rate is now determined by the repetition rate of the sweep CHOPPED Turning the MODE switch to the CHOPPED Position returns both grids of the multivibrator to a positive voltage and the multivibrator free runs at a rate determined by the time constant of the grid circuits The two amplifiers are alternately cut off and all...

Page 13: ...CEMENT The procedures for replacing most parts in the Type CA Unit are obvious Detailed SECTION 4 MAINTENANCE instructions for their removal are therefore not required Other components however can best be removed if a definite procedure is followed or if certain precautions are taken Additional information for the replacement of some of these parts is contained in the following paragraphs Because ...

Page 14: ... iron tip properly shaped and tinned When removing or replacing components mounted on the ceramic strips you will find that satisfactory results are obtained if you proceed in the manner outlined below 1 Use a soldering iron of about 75 watt rating 2 Prepare the tip of the iron as shown in Fig 4 1 3 Tin only the first 1 16 to 1 8 inch of the tip For soldering to ceramic terminal strips tin the iro...

Page 15: ...se Ceramic Strips Two distinct types of ceramic Strips have been used in Tektronix instruments Theearlier type mounted on the chassis by means of 2 56 bolts and nuts The later type is mounted with snap in plastic fittings Both styles are shown in Fig 4 7 To replace ceramic Strips which bolt to the chassis screw a 2 56 nut onto each mounting bolt positioning the nut so that the distance between the...

Page 16: ...e reverse side of the chassis Note Considerable force may he nec essary to push the mounting rods into the nylon collars Be sure that you apply this force to that area of ceramic strip directly above the mounting rods Color Coding All wiring in the Type CA Unit is color coded to facilitate Circuit tracing Specific color codes are used to distinguish the leads for the power supply voltages obtained...

Page 17: ...ou are instructed to the contrary If a single control requires adjustment it can be adjusted in the applicable Step of this procedure without performing other Steps as well It will be necessary however that you refer to the calibration steps immediately pre CALIBRATIO N PROCEDURE ceding the adjustment you wish to make to determine the proper settings for the Controls not mentioned in that step If ...

Page 18: ...TE 9 12k 10 2k 11 6 3k 12 infinite 13 infinite 14 infinite 15 650 16 infinite 12 Miscellaneous alignment tools See Fig 5 2 PROCEDURE 1 Preliminary Check Install the Type CA Unit in the oscilloscope Turn on all the test equipment and allow 15 minutes for it to warm up Set the oscillo scope Controls as follows Before installing the Type CA Plug In Unit in the oscilloscope make a careful visual inspe...

Page 19: ...wo traces will be equidistant above and below the vertical system electrical center found in step 2 5 Checking POLARITY Switch Gas check With the input connectors grounded turn the AC DC switches from DC to AC and observe the vertical drift of the traces This drift should not be more than 2 m illi meters Microphonic check Rap the Type CA Unit lightly on the front panel and watch for the excessive ...

Page 20: ...OLARITY switch to INVERTED The two Signals should now cancel each other out within 1 cm You may adjust the VERTICAL POSITION Controls to accomplish this cancellation If the cancellation just described doesn t take place reset the A channel POLARITY switch to NORMAL and the B channel POLARITY switch to INVERTED Now check for proper cancellation The unit is satisfactory if either condition will perm...

Page 21: ...ut connector andproceed with the adjustments for this channel B Channel Adjustments VOLTS CM Switch Adj for Optimum Square Corner Adj for Optimum Flat Top 1 C4311C C4311B 2 C4312C C4312B 5 C4313C C4313B 1 C4314C C4314B 2 C4315C C4315B 5 C4316C C4316B 10 C4317C C4317B 20 C4318C C4318B 14 H F Compensations Set oscilloscope Controls as follows TIME CM 2 MICROSEC Set plug in Controls as follows VOLTS ...

Page 22: ... Input Connector on the Type CA Unit and then reinstall the 5XT and the Type 190 on its connector Adjust the Type 190 to obtain an output fre quency of 50 kc and an output amplitude of one volt as read on the meter of the Type 190 Now without changing the output amplitude of the Type 190 increase the frequency of the Type 190 to 24 mc Turn the MODE switch to ADDED ALGEBRAI C ALLY and switch the PO...

Page 23: ...D C 0 D 0 0 c c c c 0 0 c c 0 c ...

Page 24: ... ...

Page 25: ...PARTS LIST DIAGRAMS MANUFACTURERS OF CATHODE FlAY O SCILLOSCOPES ...

Page 26: ...orated as soon as available Therefore when ordering a replacement part it is important to supply the part number including any suffix instrument type serial number plus a modification number where applicable If the part you have ordered has been improved or re placed your local Field Office will contact you if there is a change in part number ...

Page 27: ...r Var 500 v 10 C3315F 281 519 47 x xf Cer Var 500 v 10 C3316At C3316B 281 027 7 3 x xf Tub Var 500 v C3316C 281 027 7 3 x xf Tub Var 500 v C3316E 283 539 250 x xf Mica 500 v 10 C3317At C3317B 281 027 7 3 x xf Tub Var 500 v C3317C 281 027 7 3 x xf Tub Var 500 v C3317E 283 541 500 x xf Mica 500 v 10 C3318Att Selected C3318B 281 027 7 3 x xf Tub Var O o m C3318C 281 027 7 3 x xf Tub Var 500 v C3318E ...

Page 28: ...ted C4317B 281 027 7 3 x xf Tub Var 500 v C4317C 281 027 7 3 x xf Tub Var 500 v C4317E 283 541 500 x xf Mica 500 v 10 C4318Att Selected C4318B 281 027 7 3 x xf Tub Var 500 v C4318C 281 027 7 3 x xf Tub Var 500 v C4318E 283 540 750 x xf Mica 500 v 10 C4321 283 003 01 flf Hi Kap 150 v GMV C4322 281 027 7 3 x xf Tub Var 500 v C4334 281 518 47 x xf Cer 500 v C4345 283 001 005 xf Discap 500 v GMV C4384...

Page 29: ...w 14521 up R3311C 309 003 500 k Y2 V Prec 1 R3311D 302 470 47 a y 2 w X25730 up R3311E 309 014 1 meg y 2 w Prec 1 R3312C 309 010 750 k y 2 w Prec 1 R3312E 309 053 333 k Yz W Prec 1 R3313C 309 111 900 k y 2 w Prec 1 R3313E 309 046 111 k y 2 w Prec 1 R3314C 309 143 950 k y 2 w Prec 1 R3314E 309 137 52 6 k y 2 w Prec 1 R3315C 309 144 975 k y 2 w Prec 1 R3315E 309 136 25 6 k y 2 w Prec 1 R3316C 309 01...

Page 30: ...to 1 of each other R3366 312 590 6k 5 w WW 5 1 pair matched to 1 of each other R3370 302 154 150 k A w R3371 306 392 3 9 k 2 w R3372 302 470 47 o A W R3373 304 562 5 6 k 1w R3374 301 303 30 k A w 5 R3375 306 333 33 k 2 w R3376 302 471 470 o Vi w R3377 302 101 io o o A w R3378 301 164 160 k A w 5 R3379 301 204 200 k A w 5 R3380 302 224 220 k A w R3383 316 334 330 k A w X34790 up R3385 306 333 33 k ...

Page 31: ...4521 up R4323 316 470 47Q Vt W X25730 up R4324 306 223 22 k 2 w R4332 302 270 27 a y2 w R4334 309 250 500 a y2w Prec 1 R4337 309 132 5 6 k Vt W Prec 1 R4338 Use 311 279 770 a Var W W VARIABLE R4341 311 018 20 k 2 w Var DC BAL R4343 304 223 22 k 1 w R4344 302 104 100 k y2w R4345 302 561 560 a y2w R4354 309 250 500 a y2w Prec 1 R4355 308 053 8k 5 w W W 5 R4356 311 015 10k 2 w Var W W G AIN ADJ 101 3...

Page 32: ...otary MODE SW4300 Use 260 330 Slide AC DC SW4310 260 146 262 119 Rotary VOLTS CM B SW4360 260 146 262 484 260 148 Rotary POLARITY V3323 154 014 Electron Tubes 6AK5 5654 V3334 154 040 12AU6 V3354 154 040 12AU6 V3364 V3374 Use 157 059 6AU6 Selected pair Furnished V3375 154 039 12AT7 V3382 154 016 6AL5 V3384 154 039 12AT7 V3393 154 039 12AT7 V4323 154 014 6AK5 5654 V4334 154 040 12AU6 V4354 154 040 1...

Page 33: ... EYELET TAPERED BARREL 210 601 GROMMET RUBBER 4 348 002 GROMMET RUBBER 348 004 KNOB LARGE BLACK HOLE TH RU 366 029 KNOB SMALL RED HOLE PART W AY 366 031 KNOB SMALL BLACK V4 HOLE PART W AY 366 033 KNOB SMALL BLACK HOLE PART W AY 366 047 KNOB SMALL KNURLED ALUM PLUG IN SECURING 366 125 LOCKWASHER EXT 2 210 002 LOCKWASHER INT 4 210 004 LOCKWASHER INT 6 210 006 LOCKWASHER INT POT 3 8 x 2 210 012 LOCKW...

Page 34: ...0 x y4 FHS 211 023 SCREW 4 40 x FHS 211 025 SCREW 4 40 x s l6 PAN HS W LOCKW ASHER 211 033 SCREW 6 32 x 5 6 BHS 211 507 SCREW 6 32 x 5 m FHS 100 CSK PHILLIPS 211 538 SCREW 8 32 x2 y 4 RHS 212 014 SCREW 8 32 x 2 FHS 100 PHILLIPS 212 043 SCREW 8 32 x y2 RHS PHILLIPS 212 044 SCREW 4 40 x s u RHS PHILLIPS THREAD CUTTING 213 034 SCREW 5 32 x 3 14 PAN H STEEL 213 044 SHIELD ATTENUATOR 040 x 3 x 3ys x s ...

Page 35: ...N 14025 up 124 093 TAG SN INSERT 334 679 TUBING PLASTIC INSUL 20 GREEN 162 520 TURRET SOCKET ASS Y SN 101 14024 123 007 WASHER STEEL 8S x x 032 210 804 WASHER FIBER 10 210 812 WASHER STEEL 390 x 9 u x 020 210 840 WASHER STEEL 093 x 2 x 020 210 850 WASHER RED FIBER V8 x 13 64x 035 210 906 WASHER PLASTIC x 13 16 210 961 1 PARTS LIST TYPE CA 7 9 ...

Page 36: ......

Page 37: ...ne M or meg Megohms or mega I05 WW Wire wound K or k Kilohms or Kilo I0J EMC Electrolytic metal cased m milli or I0 3 PTB Paper Bathtub A Micro or IO 6 PMC Paper metal cased n Nano or IO 9 PT Paper Tubulär n n Micromicro or I0 1 2 Comp Composition P Pico or IO 1 2 f Farad GMV Guaranteed minimum value h Henry V Working volts DC n ohm Prec Precision w Watt Var Variable Discap Disc Capacitor T E K T ...

Page 38: ...n number if any of the instrument for which it is ordered If the part which you have ordered has been replaced by a new or improved part the new part will be shipped instead Tektronix Representatives are informed of such changes Where necessary replacement Information comes with new parts If a Tektronix Representative has not been established in your country please Order replace ment parts from Te...

Page 39: ...7 A f C33I7B 7 3 x xf Tüb Var 500 v C 3 3 I7 C 7 3 x xf Tub Var 500 v C33I7E 500 x xf Mica 500 v 10 C 3 3 l8 A ft Selected C33I8B 7 3 x xf Tub Var 500 v C 3 3 I8 C 7 3 x xf Tub Var 500 v C33I8E 750 x xf Mica 500 v 10 C332I 01 xf Disca p 150 v GM V C3322 7 3 x xf Tub Var 500 v C3345 005 xf Discap 500 v GMV C3354 47 x xf Cer 500 v C3374 005 xf Discap 500 v GM V C3375 12 x xf Cer 500 v 10 C3378 47 x ...

Page 40: ...3I7B 7 3 x xf Tub Var 500 v 281 037 C 4 3 I7 C 7 3 x xf Tub Var 500 v 281 037 C43I7E 500 x xf Mica 500 v 10 283 541 C 4 3 l8 A t C43I8B 7 3 x xf Selected Tub Var 500 v 281 037 C 4 3 I8 C 7 3 x xf Tub Var 500 v 281 037 C43I8E 750 x xf Mica 500 v 10 283 540 C432I 01 xf Discap 150 v GMV 283 003 C4322 7 3 x xf Tub Var 500 v 281 037 C4334 C4345 47 x xf 005 xf Cer Discap 500 v 500 v GMV 281 518 283 001 ...

Page 41: ...3 IIC 500 k 1 2W Prec I 309 003 R33I ID 47 ü 1 2W 302 470 R 3 3 IIE 1 meg 1 2 w Prec l 309 014 R 33I2C 750 k 1 2W Prec l 309 010 R33I2E 333 k W Prec l 309 053 R 33I3C 900 k 1 2W Prec l 309 111 R33I3E 111 k 1 2W Prec l 309 046 R 33I4C 950 k y 2 w Prec l 5 309 007 R33I4E 52 6 k 1 2W Prec l 5 309 006 R33I5C 975 k y2 w Prec l 5 309 008 R33I5E 25 6 k y2 w Prec l 5 309 005 R33I6C 990 k y2 w Prec l 309 0...

Page 42: ...with R4365 to I of each other R3366 6 k 5 w W W 5 5 312 001 I pair matched with R4366 to I of each other R3370 I50 k Vs w 302 154 R337I 3 9 k 2 w 306 392 R3372 47 Q Vs w 302 470 R3373 5 6 k I w 304 562 R3374 30 k y2w 5 301 303 R3375 33 k 2 w 306 333 R3376 470 2 y2 w 302 471 R3377 100 Q Vs w 302 10I R3378 I60 k y2 w 5 301 164 R3379 200 k Vs w 5 301 204 R3380 220 k Vs w 302 224 R3383 330 k y4 w 3 16...

Page 43: ...7 Q w R4374 402 n W R4375 I00 k Ya w R4376 2 x I00 k 2 w R4377 I00 k y2 w R4382 1 8 k I w R4383 8 2 k I w R4384 8 2 k I w Tektronix Part Num ber Prec l 309 010 Prec l 309 053 Prec l 309 111 Prec l 309 046 Prec l 5 309 007 Prec l 5 309 006 Prec l 5 309 008 Prec l 5 309 005 Prec l 309 013 302 100 Prec l 309 034 Prec l 5 309 009 302 100 Prec l 5 309 003 Prec l 5 309 010 302 100 Prec l 5 309 002 Prec ...

Page 44: ...A R IT Y 260 148 SW3380 Rotary M ODE 260 244 SW4300 Slide A C D C 260 330 SW 43I0 Rotary V O LTS C M B 260 146 7 262 010 SW4360 Rotary P O LA R IT Y 260 148 Electron Tubes V3323 6AK5 154 014 V3334 I2AU6 154 040 V3354 I2AU6 154 040 V3364 V3374 f 6AU6 Selected pair Furnished as a unit U se 157 059 V3375 I2AT7 154 039 V3382 6AL5 154 016 V3384 I2AT7 154 039 V3393 I2AT7 154 039 V4323 6AK5 154 014 V4334...

Page 45: ...ng circuif and component improvements to our instruments as soon as they are developed and tested Somefimes due to printing and shipping require ments we can t get these changes immediately into printed manuals Hence your manual may contain new change information on following pages If it does not your manual is correct as printed c r ...

Page 46: ...3 3 i 3 a a 3 3 3 3 3 3 Q ...

Page 47: ...TYPE CA T en t S N 702 436 PARTS LIST C0RRECTI0N Change to R 3363 302 104 180K iW 10 Add C 3386 P 3302 281 518 47 pP Cer 500V 152 061 S ilic o n 6061 Ihfü4 rCT 148086 0364 ...

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