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Tektronix 067-0521-00 Instruction Manual
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Tektronix 067-0521-00 Instruction Manual

Tektronix 067-0521-00 Instruction Manual

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I I M STRU CTIO I ' M
MANUAL
T e k tro n ix , Inc.
S.W. M illik a n W a y •
070-0407-01
The Type TU-7, Type 1M1
electrically similar instruments.
was changed from TU-7 to Type 1M1 at S /N 50 0 and
changed to 0 6 7 -0 5 2 1 -0 0 at S /N 1387.
P. O. Box 500 •
Beaverton, O regon
Serial Number
and 0 6 7 -0 5 2 1 -0 0 are
The Type designation
.
067
0521-00
CALIBRATION FIXTURE
97005
•
Phone 644-0161
(
j
^
p
•
Cables: Tektronix
366

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Summary of Contents for Tektronix 067-0521-00

  • Page 1 0 6 7 -0 5 2 1 -0 0 at S /N 1387. 0521-00 CALIBRATION FIXTURE T e k tro n ix , Inc. S.W. M illik a n W a y • P. O. Box 500 • Beaverton, O regon 97005 • Phone 644-0161 • Cables: Tektronix 070-0407-01...
  • Page 2 WARRANTY A ll Tektronix instruments ore w arranted against defective materials and workman­ ship for one year. Tektronix transformers, manufactured in our own plant, are w ar­ ranted for the life of the instrument. Any questions with respect to the war­...

  • Page 3: Table Of Contents

    CONTENTS Section 1 Characteristics Section 2 Operating Instructions Section 3 Circuit Description Section 4 Maintenance Section 5 Performance Check Procedure Calibration Section 6 Abbreviations and Symbols Parts Ordering Information Electrical Parts Section 7 Mechanical Parts List & Diagrams Section 8 Abbreviations and symbols used in this manual are based on, or taken directly from, IEEE Standard 260 “Standard Symbols for Units",...
  • Page 4 ■ ■ ■ ■ ■ ■ ■ — W m t 0 6 7 - 0 5 2 1 - 0 0 C A L IB R A T IO N F IX T U R E LOAD/PULSER FOR 5 3 0 -5 4 0 -5 5 0 SERIES ------ SERIAL m iM m...
  • Page 5 1000 times by an internal attenuation network. 067-0521-00 Plug-In Test Unit is a versatile single-unit calibration aid for use with all Tektronix 530-, 540-, or 550- CHOPPED Series Oscilloscopes using 1-series or letter-series vertical plug-in units. The 067-0521-00 is the only plug-in unit re­...
  • Page 6 MECHANICAL EXT INPUT Construction Connector for applying external signals to the oscilloscope vertical system through the 067-0521-00. Useful for applying Aluminum-alloy chassis with anodized front panel. Circuit the calibrator signal when setting the gain of the oscillo­ board sub-chassis.

  • Page 7: Operating Instructions

    To check the amount of dc un­ balance, a suggested procedure is as follows: The 067-0521-00 is calibrated and ready for use as shipped from the factory. 1. Set the TEST FUNCTION switch to C O M M O N MODE.
  • Page 8 Operating Instructions— 0 6 7 -0 5 2 1 -0 0 2. Set both Time/Cm switches to .5 mSec. 3. Set both Triggering Mode switches to Auto, and both Triggering Source switches to Plug-In. 4. Set the TEST FUNCTION switch to ALTERNATE. 5.
  • Page 9 Operating Instructions— 0 6 7 -0 5 2 1 -0 0 5. Carefully focus and check the display. If the waveshape When using the 067-0521-00 to couple an input signal to does not show good transient response because of over­...
  • Page 10 NOTES...

  • Page 11: Circuit Description

    General Information under those headings. Fig. 3-1 is a block diagram of the 067-0521-00 Plug-In Test Unit. The circuitry of the unit may be separated into three Detailed Description major divisions: the Power Supply Loading Circuit, the Dual- Trace Switching Circuit, and the Pulse Generator Circuit.
  • Page 12 This signal results in a 4-cm deflection INPUT of the 067-0521-00 is ac coupled to pin 1 of the inter­ on the crt if the gain of the oscilloscope vertical amplifier connecting plug and is displayed by the “ on" segments of is set correctly.
  • Page 13 Circuit Description— 06 7-0 5 2 1 -0 0 INPUT € 1 9 ^ R16 < —1 — Positioning Voltage From Vertical Position Network + 225 v — 150 v R 101< < R100 V102A --------------- * i r - > V D 1 0 2 C101 D90 V...
  • Page 14 Circuit Description— 0 6 7 -0 5 2 1 -0 0 Fig. 3-3 . Simplified schematic diagram showing input signal path during the two states of the dual-trace switching multivibrator, with TEST FUNCTION switch set to .ALTERNATE or CHOPPED. with the waveform is then displayed on the crt. The voltage drop across D89 sets the dc level of the output applied to C22 at approximately 0.2 volt, causing the dis­...
  • Page 15 Circuit Description— 0 6 7 -0 5 2 1 -0 0 slaving operation of oscilloscopes capable of alternate-sweep switch- Fig. 3-4. Timing relationship of waveforms during alternate-sweep ing. Sweep rate of Time Base B is set twice as fast as Time Base A. occurs immediately following the negative slave pulse and is V102A, since if arrives af fhe same fime as fhe large nega­...
  • Page 16 Circuit Description— 0 6 7 -0 5 2 1 -0 0 Fig. 3-5. Dual-Trace Switching circuit showing operation with TEST FUNCTION switch at CHOPPED. 3 -6...
  • Page 17 Circuit Description— 0 6 7 -0 5 2 1 -0 0 Fig. 3 -6 . Timing of chopped blanking pulses from 0 6 7 -0 5 2 1 -0 0 to oscilloscope crt cathode with TEST FUNCTION switch at CHOPPED. current-switching transistors, Q 64/Q 74, and disconnect diodes segment apears on the crt.
  • Page 18 Circuit Description— 0 6 7 -0 5 2 1 -0 0 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 Circuit Description— 0 6 7 -0 5 2 1 -0 0 + 75 v | > _ r + 67.5 v ■ i X - W - + 67.2 v + 67.5 v Q 64 + 75 v + 67 .5 v - 0 .
  • Page 20 Circuit Description— 0 6 7 -0 5 2 1 -0 0 through R53, and the voltage in the emitter circuit becomes to its baseline. The next pulse is started when Q55 turns more negative. As the base-emitter junction of Q55 be­ on again.

  • Page 21: Maintenance

    One way to clean the interior is by vacuum a n d /o r low- Many components in the 067-0521-00 are mounted in a pressure compressed air (high-velocity air could damage particular w ay to reduce stray inductance and capacitance.
  • Page 22 Fig. 4-1 shows an assembled ceramic terminal strip. Re­ placement strips with studs attached are supplied under a If trouble is encountered in the 067-0521-00, first perform single part number and spacers under another number. The a visual inspection of the entire unit. If a visual inspection original spacers may be reused if undamaged.
  • Page 23 Maintenance— 0 6 7 -0 5 2 1 -0 0 TABLE 4-1 Resistance Measurement Type of Meter: Manufactured By: Type of Meter.- Model No..- VOM* Type TU-7 Serial No.: Ohms Resistance Ohms Approximate TEST FUNCTION Readings Range Switch Resistance Range Readings LOW LOAD, HIGH LOAD, 100,000...
  • Page 24 NOTES...

  • Page 25: Performance Check Procedure

    GR. Tektronix Part No. 017-0505-00. This performance check procedure is provided as a func­ 12. Modified rigid plug-in extension, see Fig. 6-1. Required tional check of the 067-0521-00 and may be used for incom­ parts. ing inspection, quality assurance, etc.
  • Page 26 Requirement— Positive 225 volts must appear at the Intensity, Focus, Astigmatism Trace focused, normal b rilli­ +225 V output jack on the front panel of the 067-0521-00. ance b. Connect the DC voltmeter between ground and the Scale Ilium As desired +225 V output jack.
  • Page 27 Norm. Set the 067-0521-00 TEST FUNCTION switch to respect to this centerline will depend on the DC CHOPPED. balance of the Vertical Amplifier in the test oscillo­ scope. This centerline of the trace indicates that d. Adjust test oscilloscope Triggering Level for a stable equal in-phase dc voltage are being applied to display.
  • Page 28 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.
  • Page 29 10 of the interconnecting plug to chassis ground c. Properly terminate the Type 191 and apply its output with a short jumper. See Fig. 5-10. to the 067-0521-00 EXT INPUT. d. Change the TEST FUNCTION switch to HIGH LOAD and turn the VARIABLE control fully clockwise.
  • Page 30 Performance Check— 0 6 7 -0 5 2 1 -0 0 NOTE d. W ith the 067-0521-00 disconnected from the test oscillo­ scope, apply 100 volt dc signal from the standard amplitude When operating the plug-in unit from a plug-in calibrator to EXT INPUT.

  • Page 31: Calibration

    Series. Must operate properly and be calibrated for NOTE vertical gain and sweep timing. Do not insert the 067-0521-00 into the indicator 2. Test oscilloscope, laboratory-type. Dc to at least 1 me oscilloscope until instructed later in the procedure. bandpass, ac and dc input coupling, 0.02 to 20 volts/cm input deflection factor.
  • Page 32 External position. b. Set the Calibrator amplitude for 5 volts. c. Adjust the 067-0521-00 VARIABLE control for 4 cm of vertical deflection on the crt. Fig. 6-2. Left side of 0 6 7 -0 5 2 1 -0 0 showing calibration adjustments d.
  • Page 33 Due 13. Adjust PULSE DC LEVEL R30 to the ac coupling in the 067-0521-00, both traces will tend to curve toward the electrical center of the a. Connect the dc voltmeter between chassis ground vertical system.
  • Page 34 Insert the special plug-in extension (item 10 under “ 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.)

  • Page 35: Abbreviations And Symbols

    ABBREVIATIONS A N D SYMBOLS inductance A or amp amperes lambda—wavelength alternating current AC or ac » large compared with audio frequency alpha—common-base current amplification factor less than < low frequency amplitude modulation length or long approximately equal to beta— common-emitter current amplification factor low voltage mega or 106 binding head brass...

  • Page 36: Parts Ordering Information

    If a part you have ordered has been replaced with a new or improved part, your local Tektronix, Inc. Field Office or representative w ill contact you concerning any change in part number.

  • Page 37: Electrical Parts

    Type 067-0521 -0 0 SECTION 7 ELECTRICAL PARTS Values are fixed unless marked Variable. Tekfronix Ckt. No._____________Part No.______________________ Description________________________________________ S /N Range Capacitors Tolerance ± 2 0 % unless otherwise indicated. 281-0534-00 3.3 pF 500 V ± 0 .2 5 pF 281-0551-00 390 pF Cl 9...
  • Page 38 Electrical Parts List 0 6 7 -0 5 2 1 -0 0 Diodes T ektronix S /N Range Ckt. N o. Part N o. Description Zener 1N3024B 152-0024-00 152-0024-00 Zener 1N3024B Silicon, Replaceable by 1N647 *152-0107-00 *152-0061-00 Silicon, Tek Spec *152-0107-00 Silicon, Replaceable by 1N647 Use *152-0193-00...
  • Page 39 Electrical Parts List 0 6 7 -0 5 2 1»00 Resistors (Conf) T ektronix Ckt. No. Part N o. Description S /N Range Use 301-0153-00 15 kO y 2 w 322-0097-00 ’A W Prec 316-0102-00 1 k fl ’A W 316-0273-00 27 kO ’A W...
  • Page 40 Electrical Parts List 0 6 7 -0 5 2 1 -0 0 Resistors [Cont) T ektronix Ckt. N o. Part No. D escription S /N Range 200 kn R 95 301-0204-00 y 2 w 200 kn 301-0224-00 y 2 w 160kn 301-0164-00 y 2 w...
  • Page 41 7 / 1 6 inch 333-0791-00 PANEL, front, TU7 333-0875-00 1386 PANEL, front, 1M1 333-0875-01 1387 PANEL, front, 067-0521-00 366-0220-00 KNOB, charcoal— VARIABLE knob includes: 213-0020-00 SCREW, set, 6-32 x y8 inch, HSS 366-0220-00 KNOB, charcoal— REPETITION RATE knob includes:...
  • Page 42 Mechanical Parts List— Type 0 6 7 -0 5 2 1 -0 0 Calibration Fixture FIG. 1 EXPLODED VIEW fConfj Fig. & Index T ektronix S e ria l/M o d e l N o. Description N o. Part N o. Disc _______ ____________ 1 2 3 4 5...
  • Page 43 Mechanical Parts List— Type 0 6 7 -0 5 2 1 -0 0 Calibration Fixture FIG. 1 EXPLODED VIEW fConfJ Fig. 8 c Tektronix S e ria l/M o d e l N o. Index Description Part No. Disc 1 2 3...
  • Page 44 Mechanical Parts List— Type 0 6 7 -0 5 2 1 -0 0 Calibration Fixture FIG. 1 EXPLODED VIEW (C on t) Fig. & Index T e ktronix S e ria l/M o d e l N o. Description N o. Part N o.
  • Page 45 WAVEFORMS and VOLTAGE READINGS were obtained under following conditions: CONTROLS SETTINGS VARIABLE centered VERTICAL POSITION centered AMPLITUDE centered REPETITION RATE Input Signal none Pulse Gen. All other ckt. ckts. CHOPPED TEST FUNCTION + PULSE Test Oscilloscope Bandpass 30 Me Triggering + Internal DC Voltmeter Impedance...
  • Page 46 C IR C U IT DIAGRAM ~ s> < 3...
  • Page 47 067-0521-00 C A L IB R A T IO N F IX T U R E...
  • Page 48 MANUAL CHANGE INFORMATION A t Tektronix, we c o n tin u a lly strive to keep up w ith latest electronic developm ents by adding circuit and com ponent im provements to our instruments as soon as they are developed and tested.
  • Page 50 TENT SN 2600 TYPE 067--0521-00 PARTS LIST CORRECTION CHANGE TO 0.4 w, 30 V, ± % 152-0282-00 1N972B Mil,191/1167...
  • Page 52 TYPE 0 6 7 -0 5 2 1 -0 0 PARTS LIST CORRECTION CHANGE: 321-0152-00 R5*f M12,536/967...