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Tektronix 067-0521-00, Instruction Manual

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Tektronix 067-0521-00 Instruction Manual Download Page 39

Electrical  Parts  List  0 6 7 -0 5 2 1»00

Resistors 

(Conf)

T e ktro n ix

Ckt.  N o.

Part  N o.

D escription

R43

Use  301-0153-00

15 kO

y 2 w

5%

R44

322-0097-00

100 

Q

’A W

Prec

1%

R45

316-0102-00

1  k fl

’A W

R46

316-0273-00

27 kO

’A W

R52

315-0220-00

22 0

’A W

5%

R53

Use  301-0153-00

15 k£2

’/ 2 w

5%

R54

321-0122-00

182 0

y . w

Prec

1%

R55

316-0102-00

1  kO

’A W

R56

316-0273-00

27 kO

’A W

R62t

Use  311-0007-00

1  kO

Var

R61

316-0105-00

1  MO

’A W

R63

302-0332-00

3.3 kO

’/ 2 w

R64

323-0633-00

801  O

’/ 2 W

Prec

1%

R65

321-0289-00

10 kO

’/ • w

Prec

1%

R66

321-0068-00

49.9 0

’/ * w

Prec

1%

R67

321-0189-00

909 0

y . w

Prec

1%

R68

321-0289-00

10 kO

y » w

Prec

1%

R69

302-0225-00

2.2 MO

’/ 2 w

R721

Use  311-0007-00

1  kO

Var

R74

323-0633-00

801  O

’/ 2 w

Prec

1%

R76

321-0068-00

49.9 0

y . w

Prec

1%

R78

321-0289-00

10 kO

y « w

Prec

1%

R79

302-0225-00

2.2 MO

’/ 2 W

R80A

Use  315-0104-00

lOOkO

’A W

5%

R80B

Use  315-0104-00

lOOkO

’A W

5%

R80C

Use  315-0104-00

lOOkO

’A W

5%

R80D

Use  315-0104-00

100 kO

’A W

5%

R81

Use  301-0433-00

43 

ka

’/ 2 w

5%

R81

324-0306-00

15 kO

1  W

Prec

1%

R82

311-0152-00

2 x 500 kO

Var

R83

302-0225-00

2.2 MO

’/ 2 w

R84

302-0105-00

1  MQ

'/2 w

R85

323-0368-00

66.5

 kQ

’/ 2 w

Prec

i%

R86

323-0396-00

130 k n

’/ 2 w

Prec

i%

R87

301-0151-00

150 0

’/ 2 w

5%

R88

302-0221-00

220 0

’/ 2 w

R89

301-0202-00

2 kO

’/ 2 w

5%

R90

302-0154-00

150 kO

’/ 2 W

R91

301-0164-00

160 kO

’/ 2 w

5%

R92

301-0224-00

220 kO

’/ 2 w

5%

R93

301-0204-00

200 kO

’/ 2 w

5%

R94

306-0333-00

33 kO

2 W

S /N   Range

XI 860-up

100-1719

1720-up

7-3

XR62  and  R72  furnished  as  a  unit.

Summary of Contents for 067-0521-00

Page 1: ...e electrically similar instruments The Type designation was changed from TU 7 to Type 1M1 at S N 500 and changed to 067 0521 00 at S N 1387 067 0521 00 CALIBRATION FIXTURE Tektronix Inc S W M illikan W ay P O Box 500 Beaverton Oregon 97005 Phone 644 0161 Cables Tektronix 070 0407 01 366 ...

Page 2: ...e field therefore all requests for repairs and re placement parts should be directed to the Tektronix Field Office or representative in your area This procedure will assure you the fastest possible service Please include the instrument Type and Serial or Model Number with all requests for parts or service Specifications and price change privi leges reserved Copyright 1964 new material 1966 by Tekt...

Page 3: ...tion Abbreviations and Symbols Parts Ordering Information Section 7 Electrical Parts Section 8 Mechanical Parts List Diagrams Abbreviations and symbols used in this manual are based on or taken directly from IEEE Standard 260 Standard Symbols for Units MIL STD 12B and other standards of the elec tronics industry Change information if any is located at the rear of this manual ...

Page 4: ...LSER FOR 530 540 550 SERIES SERIAL 1 16 AMP 225 V VERTICAL POSITION VARIABLE LOAD POSITIONS ONLY 4 6 AMPLITUDE 4 6 TEST FUNCTION V l _______ l l 0 0 PULSE REPETITION RATE MED LOW T E K T R O N IX IN C HIGH PORTLAND OREGON U S A Fig 1 1 067 0521 00 Plug In Test Unit ...

Page 5: ...tical amplifier ALTERNATE Checks operation of the alternate mode synchronizing circuits in the oscilloscope Also permits checking for proper sweep slaving in oscilloscopes having two time bases that can be displayed alternately Any external signal applied A sine wave bandpass check of the system cannot be made by applying an external high frequency sine wave through the plug in test unit to the EX...

Page 6: ...tor for applying external signals to the oscilloscope vertical system through the 067 0521 00 Useful for applying the calibrator signal when setting the gain of the oscillo scope vertical amplifier and for inserting signals for cali brating the time base generator s trigger circuit s and trace geometry MECHANICAL Construction Aluminum alloy chassis with anodized front panel Circuit board sub chass...

Page 7: ...o center the display 4 Adjust the oscilloscope Vertical Gain control for exactly 4 cm vertical distance between the two traces Keep the display centered vertically on the crt while making this adjustment 5 Turn off the Calibrator and disconnect the signal lead Oscilloscope Vertical Amplifier Balance The amount of vertical amplifier dc unbalance must be small for optimum common mode rejection ratio...

Page 8: ...Time Cm switch to 5 xSec Cm 3 Adjust the oscilloscope triggering controls for a stable chopped waveform display Fig 2 2 4 Set the oscilloscope Crt Cathode Selector switch to the Chopped Blanking position and check that the fast rising and falling portions switching portions of the display are blanked so that only the on segments of each trace are visible Fig 2 3 5 If your oscilloscope has two time...

Page 9: ...k of an oscilloscope pre amplifier system use a 1 series or letter series plug in unit rather than the plug in test unit When using the 067 0521 00 to couple an input signal to the oscilloscope vertical amplifier the deflection factor of the unit is about 0 5 volt cm with the TEST FUNCTION switch set to LOW LOAD or HIGH LOAD and the VARI ABLE control turned fully clockwise LOW LOAD is the normal p...

Page 10: ...NOTES ...

Page 11: ...T FUNCTION switch operate the dual trace switching circuit or the pulse generator circuit and will be discussed under those headings Detailed Description When TEST FUNCTION SW10 is set to the LOW LOAD position the main load on the 150 volt supply is provided through R125 with slight additional loading through the dual trace switching multivibrator circuit The 100 volt supply is loaded primarily by...

Page 12: ...tching multivibrator V95A V95B and steering diodes V102A V102B Under normal conditions the circuit performs five general functions 1 When the TEST FUNCTION switch is set to ALTERNATE the switching multivibrator operates in a bistable configura tion An alternate trace sync pulse from the oscilloscope at the end of each sweep is applied via pin 16 on the inter connecting plug switching the multivibr...

Page 13: ... From Vertical Position Network 225 v n 150 v R89 R90 V102A R101 R100 i r V D 1 0 2 C101 D90 V O R92 R96 f W v t A A v D89 V R93 4 150 v R99 R95 150 v Fig 3 2 Simplified schematic of Dual Trace Switching circuit showing basic operation with TEST FUNCTION switch at ALTERNATE 3 3 ...

Page 14: ... from 0 2 volt to approximately ground set by R88 R89 Any signal now applied to the EXT INPUT connector is attenuated by the 1000 1 attenuator at the input and applied through C22 to the vertical amplifier of the oscilloscope The lower trace with the waveform is then displayed on the crt At the end of the sweep another sync pulse arrives through pin 16 and Cl 05 and is directed to the cathode of V...

Page 15: ...ill cut off V95B turning on V95A and resetting the multivibrator to be ready to display the upper trace Thus the upper trace always slaving operation of oscilloscopes capable of alternate sweep switch occurs immediately following the negative slave pulse and is locked to the Time Base B sweep When the TEST FUNCTION switch is set to the CHOPPED position the voltage in the grid circuit of the switch...

Page 16: ...Circuit Description 067 0521 00 3 6 D Fig 3 5 Dual Trace Switching circuit showing operation with TEST FUNCTION switch at CHOPPED ...

Page 17: ...CIRCUIT General Operation The Pulse Generator circuit consists of rate generator multivibrator Q45 Q55 constant voltage transistor Q33 current switching transistors Q64 Q74 and disconnect diodes D64 D65 D74 and D75 Fig 3 7 is a simplified schematic of the circuit When the TEST FUNCTION switch is set to the PULSE or PULSE position the rate generator operates as an astable circuit One complete multi...

Page 18: ...Circuit Description 067 0521 00 Fig 3 7 Simplified schematic of the Pulse Generator circuit with TE ST FUNCTION switch at PULSE and AMPLITUDE control fully clock wise 3 8 ...

Page 19: ...f current through Q74 the disconnect diodes are forward biased and are conducting current from the supply voltages through R62 R64 R66 and R72 R74 R76 Current through the disconnect diode circuit and thus through the output resistors R66 R76 is adjusted by ganged AMPLI TUDE controls R62 R72 The output voltages are applied to pins 1 and 3 of the interconnecting plug and produce the baseline voltage...

Page 20: ... rises through the output resistors the output voltages to the oscilloscope return to 67 2 and 67 8 volts and the displayed pulse returns to its baseline The next pulse is started when Q55 turns on again The switching rate of the rate generator multivibrator is determined by the supply voltages and the resistor capacitor combinations in the base and emitter circuits The front panel REPETITION RATE...

Page 21: ...bles not apparent during regular operation may be revealed and corrected during calibration CORRECTIVE MAINTENANCE General Information Removal or replacement procedures for most parts in the 067 0521 00 are obvious However some parts require special procedures Removal and replacement of these parts are discussed in the following paragraphs Many components in the 067 0521 00 are mounted in a partic...

Page 22: ...gested that circuit conditions be checked first to be certain that a replacement tube or transistor will not be immediately de stroyed In some cases these checks will also show whether or not the tube or transistor is at fault When circuit conditions are known to be safe install a tube or transistor that is known to be good and check for proper operation If the original tube or transistor proves a...

Page 23: ...MODE f PULSE PULSE 39 k 1000 9 HIGH LOAD 2 4 k 1000 9 ALTERNATE CHOPPED 35 k 1000 10 LOW LOAD GAIN SET COMMON MODE ALTERNATE CHOPPED 12 1 k 1000 10 HIGH LOAD 1 5 k 1000 10 PULSE PULSE 4 4 k 12 k 1000 11 LOW LOAD GAIN SET COMMON MODE 4 PULSE PULSE 15 5 k 1000 11 HIGH LOAD 2 35 k 1000 11 ALTERNATE CHOPPED 10 3 k 1000 12 All Positions except HIGH LOAD Infinite 100 000 12 HIGH LOAD 14k 1000 13 All Pos...

Page 24: ...NOTES ...

Page 25: ...nge voltage 1 volt or more For example Simpson Model 262 7 Standard amplitude calibrator Amplitude accuracy 0 025 signal amplitude 0 5 volt to 100 volts output signal frequency 1 kc Tektronix calibration fixture 067 0502 00 recommended 8 Flexible plug in extension Length 30 inches Tektronix Part No 012 0038 00 9 Cable Impedance 50 ohms Type RG58A U length 42 inches connectors BNC Tektronix Part No...

Page 26: ...nce Reading 15 X I00 12 450 12 to 55012 12 xi ka 12 5 k 2 to 15 5 k 2 l l 1 xi ka 1 3 k 2 to 1 6 k 2 101 XI k 2 2 k 2 to 2 5 k 2 9 xi ka 2 2 ka to 2 6 ka d Install the 067 0521 00 test oscilloscope and tighten the securing rod Turn the test oscilloscope power switch to on Allow at least 20 minutes warm up at 25 C 5 before checking the instrument to the given accuracies 1When measuring pins 10 and ...

Page 27: ...race which displays the standard amplitude calibrator signal b Set the test oscilloscope Horizontal Display to A Alt B Main Time Base B Triggering Source to Plug in Time Base A Time Cm to 5 ms c Check That rotation of the test oscilloscope Trace Separation control changes the vertical position of the trace with the calibrator signal on it Two traces only should appear four traces indicate malfunct...

Page 28: ... HIGH 600 kc 20 b Set AMPLITUDE control for a 4 cm display Set test oscilloscope Time Base A Time Cm to 0 2 ms and Triggering Level for stable display Set 067 0521 00 REPETITION RATE switch to LOW c Check 7 5 tol2 5 cycles per 10 cm must be displayed See Fig 5 4 d Set REPETITION RATE switch to MED and Time Cm to 10 JLS e Check 9 to 15 cycles per 10 cm See Fig 5 5 f Set REPETITION RATE switch to HI...

Page 29: ...itude controls for a 4 Volt output c Properly terminate the Type 191 and apply its output to the 067 0521 00 EXT INPUT d Change the TEST FUNCTION switch to HIGH LOAD and turn the VARIABLE control fully clockwise e Check The signal amplitude should be 2 5 cm or more See Fig 5 8 Fig 5 8 Typical 50 Me response VARIABLE control maximum f Turn the VARIABLE control fully counterclockwise Fig 5 9 Typical...

Page 30: ...ompartment must be manually operated To operate the switch manu ally pull the plastic plunger froward to the stop position d Connect the GR pigtail from pin 1 of the modified rigid plug in extension through a 2 ns cable and a coupling capacitor to Input A of the dual trace sampling amplifier e Connect the GR pigtail from pin 3 of the modibied rigid plug in extension to Input B of the dual trace sa...

Page 31: ...ust be 1 volt 8 Oscilloscope sampling type dual trace 50 ohm inputs with GR connectors at least 10 to lOOmv cm input de flection factor bandpass to 0 825 gc gigacycle 109 cps capable of operating in differential mode This instrument and the following two items are required only for checking the risetime of the Pulse Generator output 9 Two 50 ohm coupling capacitors 874 K with GR con nectors for sa...

Page 32: ...LE Control a Reset the 067 0521 00 controls to the positions given under Preliminary Instructions b Set the Time Base A triggering control to free run the sweep c Adjust the Focus and Intensity controls for a proper display d Connect a 50 ohm coaxial cable from the Calibrator to the 067 0521 00 EXT INPUT connector e Set the Calibrator for an output amplitude of 0 5 volt f Turn the 067 0521 00 VARI...

Page 33: ...per trace is locked to Time Base B 10 Check Chopped Operation a Remove the Calibrator signal b Set the TEST FUNCTION switch to CHOPPED c Set the indicator oscilloscope Horizontal Display switch to Time Base A Time Cm switch to lO tSec and the Triggering Source switch to Internal d Trigger the display and check the chopped wave form for 1 cycle cm lOOkc 20 11 Check Chopped Blanking a Set the indica...

Page 34: ...der Equipment Required in the plug in jack e Plug the 067 0521 00 into the extender f Turn on the indicator oscilloscope power If the indicator oscilloscope has a plug in sensing switch in the plug in compartment pull forward on the switch plunger g Place the coupling capacitors item 9 under Equip ment Required on the Input connectors of the sam pling oscilloscope h Connect the coaxial cable from ...

Page 35: ...I PMC paper metal cased EMT electrolytic metal tubular poly polystyrene e epsilon 2 71828 or of error prec precision equal to or greater than PT paper tubular equal to or less than PTM paper or plastic tubular molded ext external pwr power F or f farad Q figure of merit F 1 focus and intensity RC resistance capacitance FHB flat head brass RF radio frequency FHS flat head steel RFI radio frequency ...

Page 36: ...art number instrument type or number serial or model number and modification number if applicable If a part you have ordered has been replaced with a new or improved part your local Tektronix Inc Field Office or representative will contact you concerning any change in part number X000 00 X 000 0000 00 Use 000 0000 00 o d SPECIAL NOTES AND SYMBOLS Part first added at this serial number Part removed...

Page 37: ... 0004 00 0 02 xF Cer 150 V 100 1409 C48 285 0683 00 0 022 xF PTM 100V 5 1410 up C49 283 0026 00 0 2 xF Cer 25 V 100 1409 C49 285 0623 00 0 47 xF PTM 100V 1410 up C50 283 0026 00 0 2 fiF Cer 25 V 100 1409X C52 281 0525 00 470 pF Cer 500 V C55 281 0518 00 47 pF Cer 500 V C65 281 0505 00 12 pF Cer 500 V 10 C66 281 0547 00 2 7 pF Cer 500 V 10 C67 281 0601 00 7 5 pF Cer 500 V 5 C68 283 0059 00 1 fiF Ce...

Page 38: ...2219 Replaceable by 2N2501 Replaceable by 2N2501 2N955 Selected from 2N2475 Selected from 2N964 Resistors Resistors are fixed composition 10 unless otherwise indicated R10 302 0103 00 io kn y2w Rll 311 0395 00 2 5 kn Var R12 316 0105 00 1Mn A W R13 302 0564 00 560 kn 2w R14 316 0104 00 100 kfl A W R15 316 0223 00 22 kn A W R16 301 0335 00 3 3 Mn 2W 5 R17 323 0668 00 1 442 Mn 2W Prec A R18 323 0670...

Page 39: ... 2 MO 2 w R721 Use 311 0007 00 1 kO Var R74 323 0633 00 801 O 2 w Prec 1 R76 321 0068 00 49 9 0 y w Prec 1 R78 321 0289 00 10 kO y w Prec 1 R79 302 0225 00 2 2 MO 2 W R80A Use 315 0104 00 lOOkO A W 5 R80B Use 315 0104 00 lOOkO A W 5 R80C Use 315 0104 00 lOOkO A W 5 R80D Use 315 0104 00 100 kO A W 5 R81 Use 301 0433 00 43 ka 2 w 5 R81 324 0306 00 15 kO 1 W Prec 1 R82 311 0152 00 2 x 500 kO Var R83 ...

Page 40: ...0024 00 15 kO 10W w w 5 308 0108 00 15 kn 5 W w w 5 100 199 Use 308 0093 00 12 kn 8 W w w 5 200 up 308 0044 00 3 8 kn 25 W w w 5 306 0822 00 8 2 kn 2 W 5 308 0059 00 2 25 kn 10W w w 5 308 0018 00 2 5 kn 10W w w 5 324 0603 00 27 8 kn 1 W Prec 1 100 1719X 308 0025 00 20 kn 10W W W 5 100 199 308 0027 00 30 kn 10W W W 5 200 up 312 0642 00 500 n 20 W WW 1 301 0623 00 62 kn y2 w 5 303 0433 00 43 kn 1 w ...

Page 41: ...n 225 V mounting hardware not included w switch WASHER flat V4 ID x inch OD NUT hex y4 32 x 5 1 6 inch SOCKET banana jack mounting hardware not included w socket WASHER insulating charcoal not shown LUG solder V4 ID x 7 r6 inch OD SE NUT hex y4 32 x x 3 32 inch KNOB charcoal VERTICAL POSITION knob includes SCREW set 6 32x78 inch HSS RESISTOR variable mounting hardware for each not included w resis...

Page 42: ...nch OD NUT hex i3 8 3 2 xy2 inch SWITCH wired FUNCTION switch includes SWITCH unwired FUNCTION mounting hardware not included w switch LOCKWASHER internal ID x y2 inch OD WASHER flat 0 390 ID x 9 1 6 inch OD NUT hex i3 8 3 2 xy2 inch NUT keps 4 40 x y 4 inch BRACKET switch mounting mounting hardware not included w switch NUT keps 6 32 x 5 u inch COUPLING coupling includes SCREW set 8 32 x inch HSS...

Page 43: ...0234 00 1 RING socket mounting 65 348 0006 00 1 GROMMET rubber inch 66 210 0201 00 3 LUG solder SE 4 mounting hardware for each not included w lug 67 213 0044 00 1 SCREW thread forming 5 3 2 x 3 u inch PHS 68 131 0017 00 1 CONNECTOR 16 contact mounting hardware not included w connector 69 211 0008 00 2 SCREW 4 40 x y4 inch PHS 70 210 0201 00 2 LUG solder SE 4 71 210 0406 00 2 NUT hex 4 40x 3 1 5 i...

Page 44: ...387 0900 00 1 PLATE sub panel front 83 179 0850 00 1 CABLE HARNESS chassis 84 179 0851 00 1 CABLE HARNESS switch 85 124 0148 00 2 STRIP ceramic 7 1 6 inch h w 20 notches each strip includes 355 0046 00 2 STUD plastic mounting hardware for each not included w strip 361 0009 00 2 SPACER plastic 0 406 inch long 86 124 0145 00 4 STRIP ceramic 7 u inch h w 9 notches each strip includes 355 0046 00 2 ST...

Page 45: ...ions CONTROLS SETTINGS VARIABLE centered VERTICAL POSITION centered AMPLITUDE centered REPETITION RATE MED Input Signal none Pulse Gen ckt All other ckts TEST FUNCTION PULSE CHOPPED Test Oscilloscope Bandpass 30 Me Triggering Internal DC Voltmeter Impedance 20 000 volt ...

Page 46: ...CIRCUIT DIAGRAM x x r s 3 O z z l ...

Page 47: ...J 067 0521 00 CALIBRATION FIXTURE ...

Page 48: ...it and component improvements to our instruments as soon as they are developed and tested Sometimes due to printing and shipping require ments we can t get these changes immediately into printed manuals Hence your manual may contain new change inform ation on follow ing pages If it does not your manual is correct as printed ...

Page 49: ......

Page 50: ...TYPE 067 0521 00 TENT SN 2600 PARTS LIST CORRECTION CHANGE TO D80 152 0282 00 1N972B 0 4 w 30 V Mil 191 1167 ...

Page 51: ...I ...

Page 52: ...TYPE 0 6 7 0 5 2 1 0 0 CHANGE R5 f PARTS LIST CORRECTION 321 0152 00 37 Q 1 8 w M12 536 967 ...

Page 53: ......

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