Tektronix 7D13 Instruction Manual Download

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Summary of Contents for 7D13

Page 1: ...7D13 DIGITAL MULTIM T R...

Page 2: ...tails This can often be done very reasonably in consideration for adding your manual to our library Typically the scans in our manuals are done as follows 1 Typed text pages are typically scanned in b...

Page 3: ...n Printed in the United States of America All rights reserved Contents of this publication may not be reproduced in any form without permission of the copyright owner U S A and foreign Tektronix produ...

Page 4: ...Test Equipment Required Part I Performance Check Part II Adjustment SECTION 6 ELECTRICAL PARTS LIST Abbreviations and Symbols Parts Ordering Information SECTION 7 DIAGRAMS AND CIRCUIT BOARD ILLUSTRATI...

Page 5: ...7013 MOOE ANGE P g 2 n v 0 I kW DC CUI E J TII_ YJfll N C _ATO _ C II t JIoQ 08 U V __ TO 0Il10 DIGITAL MULnMETlIl 7D13 Fig 7013 Digital Multirneter I...

Page 6: ...panel TEMP OUT The electrical characteristics listed in Table 1 1 are valid over the stated environmental range for instruments cali brated at an ambient temperature of 20 C to 30 C and after a 20 mi...

Page 7: ...n Ratio At least 30 dB at 60 Hz increasing at 20 dB decade Common Mode Rejection Ratio At least 100 dB at DC 80 dB at 1 kn unbalance 60 Hz Recycle Time Settling Time TABLE 1 2 ENVIRONMENTAL CHARACTERI...

Page 8: ...in units The digital readout display for the 7D 13 will appear in the top division of the CRT in a location corresponding to the plug in compartment used There is no analog output signal presented on...

Page 9: ...e entire pro cedure be followed completely for familiarization with the instrument Operation of the oscilloscope is described in the oscilloscope instruction manual The tolerances given for the digita...

Page 10: ...trol to RESISTANCE 2 kll and observe that the display blinks to indicate over ranging Operating Instructions 7D13 DC Current 26 Disconnect the COM test lead from the resistor and connect it to the osc...

Page 11: ...up to 1 kV in four full scale ranges as follows OOO to 2 000 V O OO to 20 00 V OO O to 200 0 V and OOO to 1000 V 2 4 The voltage to be measured can be connected to the 7D13 via the INPUT connectors or...

Page 12: ...ve voltage of the two INPUT connectors If the HIGH input connector is positive with respect to the COM input connector a will be displayed and vice versa For current measurements a cur rent electron f...

Page 13: ...having a known ambient temperature and comparing the readout versus known temperature Any difference noted at the test temperature can be used as a correction factor throughout the measurement range...

Page 14: ...to follow a common mode voltage up to 1500 volts The input circuit isolation is accomplished by transformer coupling of signals and by the Floating Power Supply The Attenuator and Switching circuit se...

Page 15: ...Volts When the MODE RANGE switch is set to any of the DC VOLTS ranges it connects the INPUT connec tors or the high and low terminals of the PROBE con nector across R60 R60 is a precision tapped 10 me...

Page 16: ...ance value Gm CONVERTER AND ANALOG TO PULSE WIDTH CONVERTER General The G m Converter and Analog to Pulse Width Convert er circuits measure input voltage Vx with respect to DVM Low from the Input Swit...

Page 17: ...ough 0135 drain to source R124 R122 and CR119 to pin 6 of U118 The circuit operation for positive levels of Vx is similar to that for negative levels In this case 0135 is pinched off and the signal cu...

Page 18: ...the Readout Logic circuit MINUS when at the LO level indicates that the polarity symbol in the readout display should be a minus symbol MINUS is at the LO level when the relative polarity of Vx is ne...

Page 19: ...cope readout system to display the measurement made by the 7D13 The Readout Logic circuit also encodes the read out system to display the appropriate measurement units and polarity symbols along with...

Page 20: ...forces a skip in time slot four thus cancelling the initialO Circuit Description 7D13 TEMPERATURE MEASUREMENT AND FLOATING POWER SUPPLY Temperature Measurement General The Temperature Measurement circ...

Page 21: ...ely The output volt 3 8 age for each supply is determined by a temperature compensating zener reference diode which sets the base voltage of the series regulator transistor INTRODUCTION TO THE READOUT...

Page 22: ...nt and water solution Lubrication Use a cleaning type lubricant on shaft bushings inter connecting plug contacts and switch contacts Lubricate switch detents with a heavier grease A lubrication kit co...

Page 23: ...wires damaged circuit boards damaged components etc 4 Check Instrument Performance Check the calibra tion of the unit or the affected circuit by performing Part I Performance Check Procedure of Secti...

Page 24: ...or metal casel 7 a B Index B C E C E I _____ Metal case _____ Transistors Maintenance 7D13 Drain Gate Source I I ii II Field effect transistors a Pin 14 7 14 Pin _____ Integrated Circuits _________ Fi...

Page 25: ...and description NOTE When selecting replacement parts It IS Important to remember that the physical size and shape of the component may affect its performance in the instru ment All replacement parts...

Page 26: ...ing measure Maintenance 7D13 ments therefore care must be taken when reconnecting the wires The wires must be soldered to the inside surface of the terminals Use a heat sink on the wire ends to preven...

Page 27: ...NOTES...

Page 28: ...nt is often desirable after replacing components or to touch _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _o o _ _ _ _ _ _ _ _ _ _ _ up the adjustment of a portion of the instrument between major recalibrations To c...

Page 29: ...ltage Current Calibrator 4 Resistance Standard Range 200 ohms to 2 meg ohms accuracy within 0 05 For example Electro Scientific Industries Model DB52 Decade Resistor 5 Temperature Bath and Bath Cooler...

Page 30: ...Focus and Astigmatism controls as necessary for well defined characters in the display DC VOLTS AND DC CURRENT MEASUREMENT ACCURACY CHECK Equipment Required 1 Indicator Oscilloscope 2 DC voltage stan...

Page 31: ...ck together Refer to the probe instruction manual b Set the 7D13 MODE RANGE switch to DC VOLTS 2 V The DC VOLTS ranges in the dark gray area of the 5 4 front panel are used for voltage measurements wi...

Page 32: ...Disconnect the patch cord connections between the 7D 13 INPUT connectors and the resistance standard Performance Check 7D13 TABLE 5 3 RESISTANCE Measurement Accuracy 7D13 Readout Limits MODE RANGE RES...

Page 33: ...ee step 6 of the Adjustment pro cedure i Set the temperature bath for 125 C j CHECK When the temperature bath has reached 125 C as indicated by the oil testing thermometer the 7D13 readout display sho...

Page 34: ...3 and the left side panel from the Indicator Oscilloscope 2 Install the 70 13 in the left vertical plug in compart ment of the Indicator OscillOSCOpe 3 Connect the Indicator OscillOSCOpe to a power so...

Page 35: ...early production instruments 5 8 c Disconnect the digital voltmeter 3 Adjust Zero a Turn the Indicator Oscilloscope on its right side and remove the bottom cover b Set the 7D13 MODE RANGE switch to DC...

Page 36: ...w be installed in the leftverti cal plug in compartment of the Indicator Oscilloscope The Indicator Oscilloscope should be on its right side with the bottom cover removed Adjustment 7D13 5 Adjust Ohms...

Page 37: ...DC 7 Adjust Temperature Gain a Set the temperature bath to 125 C and allow it to stabilize at that temperature as indicated by the oil testing thermometer b CHECK 7D13 readout display 125C 1 C c ADJUS...

Page 38: ...ielectric coolant should be placed in the equalizing block probe hole be fore installing the probe to ensure good thermal conduction Use a dielectric coolant such as Type FC40 Fluorinert Brand Electro...

Page 39: ...I 4 1 0 062 Aluminum 8 8 4 Sheet Metal Screws 1 16 Glass Epoxy board 1 S Slot M e 4 40 Screws wlwashers for attaching to equalizing block T 3 4 1 Fig 5 3 Suspension bracket for temperature probe equal...

Page 40: ...l height or high hexagonal hex head brass hex head steel hex socket brass hex socket steel inside diameter incandescent int Ig met mtg hdw OD OHB OHS P O PHB PHS plstc PMC poly prec PT PTM RHB RHS SE...

Page 41: ...nformation in your order Part 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 you...

Page 42: ...7013 INDEX OF ELECTRICAL PARTS LIST Title Page No CHASSIS 6 1 DIGITAL MULT METER Circuit Board Assembly 6 1...

Page 43: ...ed or Unwired 260 1214 00 0 0015 uF 0 0015 uF 0 001 uF Cer Cer Cer 200V 200 V 100V Connectors Switch Post binding Post binding Receptacle electrical 4 contact female Socket pin term Socket pin term Ro...

Page 44: ...Cer 50 Y 10 C161 281 0504 00 10 pF Cer 500 Y 10 C164 283 0111 00 0 1 uF Cer SOY C166 281 0524 00 150 pF Cer SOOY C178 281 0524 00 150 pF Cer SOOY C184 281 0524 00 150 pF Cer SOOY C189 283 0111 00 0 1...

Page 45: ...2 0107 00 Silicon Replaceable by 1N647 CR17 152 0324 00 Silicon Tek Spec CR20 152 0324 00 Silicon Tek Spec CR46 152 0185 00 Silicon Replaceable by 1N4152 CR101 152 0323 00 Silicon Tek Spec CR102 152 0...

Page 46: ...on Semiconductor Device Diodes Fuses Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Silicon Zener Zener Zener Zener Zener Zener Zener Zener Zen...

Page 47: ...2N4275 0173 151 0190 00 Silicon NPN TO 92 2N3904 0182 151 0223 00 Silicon NPN TO 18 2N4275 0187 151 0224 00 Silicon NPN TO 18 2N3692 0190 151 0223 00 Silicon NPN TO 18 2N4275 0200 151 0190 02 Silicon...

Page 48: ...Rl00 305 0564 00 560 kO 2W 5 Rl06 321 0306 00 15kO 1faW Prec 1 R11 0 315 0132 00 1 3 kO 1 4 W 5 Rl11 315 0133 00 13 kO 1 4 W 5 R113 315 0391 00 3900 1 4 W 5 R115 311 0989 00 801 0100 801 0130 1000 Va...

Page 49: ...R190 315 0202 00 2 kn 1 4 W 5 Rl92 315 0622 00 6 2 kn 1 4 W 5 R193 315 0122 00 1 2 kn 1 4 W 5 R194 315 0122 00 1 2 kn 1 4 W 5 R195 315 0122 00 1 2 kn 1 4 W 5 R196 315 0122 00 1 2 kn 1 4 W 5 R198 315...

Page 50: ...00 24 9 kn W Prec 1 R275 315 0154 00 150 kn 1 4 W 5 R276 321 0335 00 30 1 kn l e W Prec 1 R277 315 0154 00 150 kn 1 4 W 5 R278 315 01 04 00 100 kn 1 4 W 5 R279 315 0562 00 5 6 kn 1 4 W 5 R281 321 035...

Page 51: ...al Model Eff No Disc Description Resistors cont 100 kn 1 4 W 68 kn 1 4 W 2 kn ljs W Prec 200 n Vcr 249 kn lis W Prec 133 kn lis W Prec 432 kn ljs W Prec 634n lis W Prec 100 n Var 931 n lis W Prec 1 kn...

Page 52: ...bit binary counter Replaceable by T I SN7493N Decade counter Replaceable by T I SN7490N Decade counter Replaceable by T I SN7490N Decade counter Replaceable by T I SN7490N Quad latch Replaceable by T...

Page 53: ...it booed VV v 7 r Connection made to circuit board with interconnecting pin Blue tint encloses components located on circuit board P O circuit bOard The following prefix letters are used as reference...

Page 54: ...g Source Magnifier Variable Ext Trig In connector Vertical Mode Horizontal Mode A Intensity B Intensity Calibrator Volts Rate A Trigger Source 7704 Centered on positive slope Norm AC Ext 710 Xl Cal In...

Page 55: ...ASHED LINE ANALOG TO PULSE WIDTH CONVER TER U145 Q149 Q 52 UI55 U 158 U 59B U 159D Q16 3 ql69 ql87 POLARITY INDlCATOR QI73 UI59A Ul59C q182 U189A _ FLOATING POWER iI SUPPLY Q40 I I Q408 q 4 15 I q433...

Page 56: ...I I I I I I I I I I I I LASTCOUNT I HZ r luNTER f MEMORY IO U212 q190 U1898 U195 Q218 14 U208A J U218 U220 U222 U224 U260 U262 r Q i I QEADOUT LOGIC Q228 Q232 Q238 7 COLUMN CURRENT OUT PUT Q243 q248 0...

Page 57: ......

Page 58: ...b cl ot boardl 0 Added SN 8010265 R60 t L oc ted on back of boardl CL ArtekMed ia Digitally signed by ArtekMedia DN cn ArtekMedia o ArtekMedia com ou email manuals ArtekMedia com c US Date 2008 11 30...

Page 59: ...r 1 1 I o 1p oul J Y U i 1 00 p 2 l 0e TO f f r T I oL T m p c 1 t j J I IJ i I r co O sH itT T o ou r U N T nCO TI N l O O U TlC A 7 013 c r _ _ M _ _ _ _ 9 J f o 1 0 f t Lo 1 0 f 3 1 I 0 J...

Page 60: ...r l J T r l U t v 5 s _ So 0 r I U _t Q24A Cl1 20 O U32 02 W A7 Q248 3 1 1 1 TO 0 U4S 7 N s r 1 2 1 i v 03 3 INPUT OHMS T LJ 300 TO OO 0 t Z C 0 0 z i m t 0 Z m 0 o 0 7...

Page 61: ...W 50mS 400V f l F V m IV 50mS 400V t I 1 t U 5V 50mS 400V f 5V 50mS 400V...

Page 62: ...w UO IIM I V 0 L C 7013...

Page 63: ...01 3 I nl I l 11 sf IV e 5V U 55 700 e 8 oM no Q r 9 O 0 O OTr S I OA T n Q NOTU 0 0 0 3 1 S I O SOt c _ _ _ _ _ _ _ I QIBZ IG I CONVERTe ANALOG 4T04 PULSE 4 WIDTH CONv T 2 RS 1 oC 0 3 en 0 z m 0 1 1...

Page 64: ...II dtJ LJdt r 3 2V 50mS 400V lIh p l 0 2V 1mS 400V 2V 500 5 400V D L L l n f h I 1t l I I I L L...

Page 65: ...ii fi sn DA I S 0 S M CNO U C T OIO 7 D13 11 901 87 Ul9S A 700 0 l Z09 I l pr r I 4 77 QI90 E E O AC S 01 _ v s 6 Cb VE T 0 OC T C4 e r E i E T t _ t_ ___ _ _ _ _ ___ _ T 0 0 ClV95 r I Ul95C It 7 02 2...

Page 66: ...lJI9SD It 74 11 l I t IL _ 0216 I 1 _1 4 1 j l 0 i r 1 1 f f I V U222 J l I oJ 01 i 0 S oj 0 0 l roa B i I TO a TO Jo rc T O I CLOCK COlJNTE MEMO V e _ 3 p mO 3 0 o c z m...

Page 67: ...o 5V SOO uS 400V Mr 1 Iwr fflf If TJ fttfj 1I tHt...

Page 68: ...II I 4 t 7013 0 J s T S t to U264 oo e _ II...

Page 69: ...9 U H 3Q o a 7 5 V 1 f J l a n so cN l t n n m C T 0 2 n 3 4 C r L 0 n 1 p pz 7 p z 1 0 IMoodu EI l _____ l_u _ r ___ _ I t 7 t to 1 o 7 00 20 0 _ 0 0 0 0 0 2ooc ll J 0 200 0 0 0 0 I 00 0 0 I 0 0 0 0...

Page 70: ...10 01 7013 0 UI5 UI OO Q31 s i I 5 97 00 1 U319 1 A 741C Q300...

Page 71: ...27 9 4 38 3 0 e 7 0 I 7 00 Q447d C 2 39 v 7 S V Co 0 C S C uS 0 r 337 u 5 n I H TOOl 30 T t 0 I TEMPERATURE ME ASU E MENT FLOATING POWER SUPPLY _ _ _ _ 0 TC C 0 C E O C LO T 0 0 5 5 DA TS U 7 0 S ONO...

Page 72: ...701 3 7 4 a a a 2 5 6 7 14l2 54 f 3...

Page 73: ...A B 0 1 1 37 Co 1 1 O CE tI gOU T 3 TS l 33 n n TS _I 31 TS s J 3 sO T O 1 O i u U LAllo L4 9 V V 7 IS AU I 0 J 7 L4n l a 1 00 0 n 0 z Z yD C IU UIT O D m n 0 CONNECTOI2...

Page 74: ......

Page 75: ...ust be purchased separately unless otherwise specified PARTS ORDERING INFORMATION Replacement parts are available from or through your local Tektronix Inc Field Office or representative Changes to Tek...

Page 76: ...7013 INDEX OF MECHANICAL PARTS LIST ILLUSTRATIONS Title Page Nos of Parts List Figure 1 Exploded Standard Accessories 8 1 thru 8 3 Figure 2 Repackaging parts list combined with illustration...

Page 77: ...not included w knob PIN spring split RELEASE BAR latch SPRING helical compression SPRING flat latch detent BOLT latch detent POST binding red mounting hardware not included w post NUT hex 6 32 x 0 31...

Page 78: ...0326 00 1 SPACER sleeve 0 18 IDxO 25 ODxO lO inch long 32 670 0994 01 CIRCUIT BOARD ASSEMBLY DIGITAL MULTIMETER circuit board asembly incudes 388 1826 01 1 CIRCUIT BOARD 33 131 0589 00 7 TERMINAL pin...

Page 79: ...ription WIRING HARNESS input switching wiring harness includes 15 CONNECTOR terminal 7 CONNECTOR terminal 1 HOLDER terminal connector 7 wire black 1 HOLDER terminal connector 8 wire green 1 HOLDER ter...

Page 80: ......

Page 81: ...O LODEO ACCESSORIES M...

Page 82: ...ndelt Tektroni x Serial Model No t Description No Pori No Elf Disc y I 065 0125 00 ASSEMBLY carlon assembly includes 1 004 0241 00 2 CASE HALF 2 004 0242 00 1 END CAP rear 3 004 0243 00 1 END CAP fron...

Page 83: ...ly into printed manuals Hence your manual may contain new change information on following pages A single change may affect several sections Sections of the manual are often printed at different times...

Page 84: ...7D13 STANDARD ACCESSORIES ADDITION Mechanical Parts List Page 8 3 Standard Accessories ADD the following item to the Standard Accessories List 003 0120 00 1 METER LEADS pair not shown S17 758 571...

Page 85: ...Board Assembly CHANGE TO 670 0994 02 ADD R403 C404 R410 315 0622 00 283 0028 00 315 0682 00 Complete Board 6 2 kn 1 4 w 0022 nF Cer 6 8 kn 1 4 W MECHANICAL PARTS LIST CORRECTION Page 8 2 50 V 5 0 Page...

Page 86: ...Page 2 of 2 SCHEMATIC CORRECTION Q401 R403 6 2K ISV MI8 222 1071 C404 0022 R4 04 CR406 R410 6 8 K R413 7D13 Q415 CR415 Q408 PARTIAL TEMP MEASUREMENT FLOATING POWER SUPPLY...

Page 87: ...fJ 3 0 COA1 0 _ __ _ _ _ 2011 0 qOOf Mi8lA4kl UEE JtU A A QZ J t d i_anita ex Q tkIJ2iWllll W C4 C l44t UC A...

Page 88: ...I J I V I 11 T __ I 0 0 2 1 _ I co _ 10k 1 R60 I n O I 2 0 Yi A RIO q l i WiU 44tM4AWtC UM sQ kSi a ww u s s...

Page 89: ...r I I I I STORE I COMMAND I I STORAGE REGISTERS 14 T I I I I I 14 I I 40kHz 2 COUNTERS f i t Sj j MULTI PLEXER J 15V 15V FLOATING POWER niL TO SU1SOR 0 5 1 FLOAT JrjG GNO SUPPLY FIGURE 1 BLOCK DIAGRA...

Page 90: ...8000 COU T 0000 4000 lL 1 8000 8000 I 8000 COUNT I nEGRATOR OUTP JT U1590 PIN 11 J STORE COMMAND y y FIGURE 2 7013 TIMING 8000 8000 L v 8 7013 0003...

Page 91: ...Q103 Ul18 vx 2 I DVM LOW Q125 U128 1 3V 6 6 I CR119 f CR130 o 9V s 5V r W v V FIGURE 4 7013 G C m ONVERTER 8 7D13 0005...

Page 92: ...R I 7860 lvll t1 77mA FIGURE 5 7013 OHMS CONVERTER vx DVM LOW 8 7013 0006...

Page 93: ...NABLE 0 I lCO 0 lCl 0 DATA 1 lC2 lC3 D H ADDRESS CODE CG o L 2CO 2Cl 0 DATA 2 2C20 2C3 0 STROBE 2G ENABLE HH lC3 HL lCl LH lC2 LL lCO H H H J L H H H H r r J t FIGURE 6 7013 FUNCTIONAL BLOCK S 7j 53 0...

Page 94: ...fref 8mA fin CONVERTER t 7013 SIMPLIFIED INTEGRATOR AND COMPARATOR 8000 COUNT I 01 _ STORE i COMMAND DENOTES FLOATING GROUND B 7013 0009...

Page 95: ...r E 7013 BE AS TEMP INDICATOR CIRCUIT TEMPERATURE SENSING TRANSISTOR TE B 7013 0010...

Page 96: ...ERATURE VS VBE CHARACTERISTICS FOR A SILICON TRANSISTOR I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I BOmV 6V L l 4 t _50 C _25 C O C 1 25 C 50o C 75 C 100 C yc J V n _0 G 7013 VBE...

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