Tektronix 465B User manual

Tektronix , Inc.
P.O. Box 500
Beaverton, Oregon 97077
070-2756-00
COMMITTED TO EXCELLENCE
PLEASE CHECK FOR CHANGE
INFORMATION
AT THE REAR
OF THIS MANUAL.
4658 •
OSCILLOSCOPE AND
DM44
DIGITAL MULTIMETER
OPERATORS
INSTRUCTION MANUAL
Serial Number ___ _ First Printing MAR 1979
Revised SEP
1981

Copyright © 1979 Tektronix, Inc . All rights
reserved. 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 8
are registered trademarks of Tektronix , Inc .
TELEQUIPMENT is a registered
trademark of
Tektronix U. K. Limited.
Printed in U.S.A.
Specification and price change
privileges are reserved.

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TABLE OF CONTENTS
Page
LIST OF ILLUSTRATIONS ................... iv
SAFETY SUMMARY . . . . . . . . . . . . . . . . . . . . . . . v
BEFORE OPERATING ...................... 1
INTRODUCTION
........................ 1
OPERATING
SAFETY .................... 2
LINE
VOLTAGE SELECTION ............. 2
REGULATING RANGE SELECTION
........ 3
INSTRUMENT COOLING
................ 3
CONTROLS, CONNECTORS,
AND INDICATORS ... 4
VERTICAL .......................... 4
DISPLAY
AND CALIBRATOR ............ 6
DM44 OPTION . . . . . . . . . . . . . . . . . . . . . . . 8
TRIGGER
.......................... 10
HORIZONTAL AND POWER ............. 13
REAR PANEL ....................... 16
LEFT SIDE PANEL ................... 18
RIGHT SIDE PANEL
.................. 18
Page
BASIC OSCILLOSCOPE DISPLAYS ............ 19
PRELIMINARY . . . . . . . . . . . . . . . . . . . . . . . . 19
PRESET INSTRUMENT CONTROLS
......... 20
NORMAL SWEEP DISPLAY . . . . . . . . . . . . . . . 21
MAGNIFIED SWEEP DISPLAY ............. 22
DELAYED SWEEP DISPLAY ............... 22
ALTERNATE SWEEP DISPLAY ............. 23
X·Y DISPLAY ......................... 24
SINGLE
SWEEP DISPLAY ................ 25
DM44 DISPLAYS
AND MEASUREMENTS . . . . . . . 26
RESISTANCE . . . . . . . . . . . . . . . . . . . . . . . . . 26
VOLTS
.............................. 28
TEMPERATURE
....................... 30
TEMPERATURE ACCURACY CHECKS
....... 32
ADJUSTMENTS
AND MEASUREMENTS . . . . . . . . 34
OPERATING CONSIDERATIONS
........... 34
GRATICULE ........................ 34
GROUNDING
....................... 34
SIGNAL CONNECTIONS . . . . . . . . . . . . . . . 35
PROBE COMPENSATION
............... 35
REV B MAR 1981
465B/DM44 Operators

TABLE OF CONTENTS (cont)
Page Page
ADJUSTMENTS AND MEASUREMENTS (cont) ADJUSTMENTS
AND MEASUREMENTS (cont)
ii
INPUT COUPLING CAPACITOR
PRECHARGING
................... 36
OPERATOR'S CHECKS
AND ADJUSTMENTS ... 37
TRACE ROTATION ADJUSTMENT
........ 37
BASIC 465B
TIMING CHECK ............ 37
DM44
TIMING CHECK ................. 39
A TRIGGER INPUT COUPLING CHECK
..... 40
EXTERNAL HORIZONTAL GAIN CHECK ... 40
MAKING PRECISION MEASUREMENTS ...... 41
AC PEAK-TO-PEAK VOLTAGE ........... 41
INSTANTANEOUS DC VOLTAGE ......... 42
ALGEBRAIC
ADDITION . . . . . . . . . . . . . . . 43
COMMON-MODE REJECTION . . . . . . . . . . . . 45
AMPLITUDE COMPARISON
............. 46
TIME DURATION
.................... 47
FREQUENCY
....................... 48
RISE
TIME ......................... 48
TIME DIFFERENCE BETWEEN TWO TIME-
RELATED PULSES
................. 50
TIME COMPARISON
.................. 51
PHASE DIFFERENCE ................. 52
HIGH RESOLUTION PHASE DIFFERENCE 54
PULSE JITTER . . . . . . . . . . . . . . . . . . . . . . 55
DELAYED SWEEP MAGNIFICATION ...... 55
Magnified
Sweep Starts After Delay . . . . . . . 56
Triggered Delay
Sweep Magnification . . . . . . 57
BASIC 465B
DELAYED SWEEP TIME
MEASUREMENTS . . . . . . . . . . . . . . . . . . 58
Time Duration (Basic 465B) . . . . . . . . . . . . 58
Frequency (Basic 465B) . . . . . . . . . . . . . . . 60
Rise Time (Basic 465B) . . . . . . . . . . . . . . . 60
Time Difference Between Repetitive
Pulses
(Basic 465B) . . . . . . . . . . . . . . . . . . . . 61
Time Difference Between Two Time-Related
Pulses (Basic 465B) . . . . . . . . . . . . . . . . 63
DM44
DELAYED SWEEP TIME
MEASUREMENTS . . . . . . . . . . . . . . . . . . 64
Time Duration Using DM44 . . . . . . . . . . . .
68
Frequency Using DM44 . . . . . . . . . . . . . . . 69
Rise Time Using DM44 . . . . . . . . . . . . . . . 69
Time Difference Between Repetitive
Pulses
Using DM44 . . . . . . . . . . . . . . . . . . . . . 70
Time Difference Between Two Time-Related
Pulses Using DM44 . . . . . . . . . . . . . . . . 72
465B/DM44 Operators @
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TABLE OF CONTENTS (cont)
Page
SPECIFICATION ......................... 74
VERTICAL SYSTEM . . . . . . . . . . . . . . . . . . . . 74
TRIGGER SYSTEM ..................... 79
HORIZONTAL DEFLECTION SYSTEM ....... 81
CALIBRATOR ........................ 85
Z·AXIS INPUT . . . . . . . . . . . . . . . . . . . . . . . . 86
SIGNAL OUTPUTS . . . . . . . . . . . . . . . . . . . . . 86
POWER SOURCE . . . . . . . . . . . . . . . . . . . . . . . 87
CATHODE-RAY TUBE
................... 88
DM44
............................... 88
ACCESSORIES
.........•..........•..... 95
STANDARD ACCESSORIES INCLUDED
...... 95
OPTIONAL ACCESSORIES
................ 95
OPTIONS
.............................. 96
GENERAL DESCRIPTION
................ 96
OPTION
01 . . . . . . . . . . . . . . . . . . . . . . . . . 96
OPTION 04 . . . . . . . . . . . . . . . . . . . . . . . . . 96
OPTION 05 . . . . . . . . . . . . . . . . . . . . . . . . . 96
OPTION 07 . . . . . . . . . . . . . . . . . . . . . . . . . 97
Page
OPTIONS (cont)
OPTION 05
TV SYNC SEPARATOR .......... 98
GENERAL INFORMATION ............. 98
SPECIFICATION
..................... 99
OPTION 05 ACCESSORIES
............. 100
OPERATING INFORMATION
............ 100
Installation
of Video Graticule .......... 100
Operation
of the Sync Separator ......... 1 01
Triggering the Sweep ................. 102
Vertical Operating
Modes-
Special Considerations .............. 102
Typical Operation
................... 103
Selecting
an Individual Line ............ 104
Special Measurements
................ 105
IDENTIFYING FIELDS, FRAMES AND LINES
IN 525/60
AND 625/50 TV SYSTEMS ..... 105
NTSC (CCIR System
M) .............. 105
CCI R System B and Similar 625/50 Systems
(including PAL) .................. 106
OPTION 07
EXTERNAL DC OPERATION ...... 107
SPECIFICATION
..................... 107
CONTROLS
AND CONNECTORS ......... 107
OPTIONAL ACCESSORY
............... 108
OPERATING INFORMATION
............ 108
@
465B/DM44 Operators
iii

LIST OF ILLUSTRATIONS
Figure Page
Figure Page
iv
1 Regulating range selection and line fuse. 2
2 Vertical controls, connectors,
and indicators. . . 5
3 Display, calibrator,
and DM44 controls,
connectors, and indicators. . . . . . . . . . . . . 7
4 Trigger controls, connectors, and indicators. 10
5 Horizontal controls and indicators. . . . . . . . 13
6 Horizontal
and power controls and indicators .. 15
7
Rear panel and left side panel controls,
connectors,
and indicators. . . . . . . . . . . . 17
8 Resistance measurement. . . . . . . . . . . . . . . 27
9 Volts measurement. . . . . . . . . . . . . . . . . . 29
10 Temperature measurement. . . . . . . . . . . . .
31
11 Probe compensation. . . . . . . . . . . . . . . . . . 36
12
Basic 4658 timing check. . . . . . . . . . . . . . . 38
13 DM44 timing check. . . . . . . . . . . . . . . . . . 39
14 Peak-to-peak waveform voltage. . . . . . . . . . .
41
15 Instantaneous voltage measurement. . . . . . . . 43
16 Algebraic addition. . . . . . . . . . . . . . . . . . . 44
17 Common-mode rejection. . . . . . . . . . . . . . .
45
18 Time duration ...................... 47
19
Rise time ......................... 49
20 Time difference between
two time-related
pulses. . . . . . . . . . . . . . . . . . . . . . . . . . 50
21 Phase difference. . . . . . . . . . . . . . . . . . . . 53
22 High resolution
phase difference. . . . . . . . . . 54
23
Pulse jitter. . . . . . . . . . . . . . . . . . . . . . . . 55
24 Delayed
sweep magnification. . . . . . . . . . . . 57
25 Time duration. . . . . . . . . . . . . . . . . . . . . . 59
26
Rise time. . . . . . . . . . . . . . . . . . . . . . . . . 60
27 Time difference between repetitive
pulses. . . . 62
28 Time difference between
two time-related
pulses.. . . . . . . . . . . . . . . . . . . . . . . . . 63
29 Time differerence between
two time-related
pulses, delayed
sweep display. . . . . . . . . . 64
30 Time duration and frequency. . . . . . . . . . . . 68
31 Rise time. . . . . . . . . . . . . . . . . . . . . . . . . 70
32 Time difference between repetitive pulses. . . .
71
33 Time difference between two time-related
pulses.. . . . . . . . . . . . . . . . . . . . . . . . . 72
465B/DM44 Operators @
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SAFETY SUMMARY
The general safety information in this summary is for operating personnel. Specific warnings and
cautions
will be found throughout the manual where they apply and do not appear in this summary.
TERMS
In This Manual
CAUTION statements identify conditions or practices that could result in damage to either the
instrument
or other property.
WARNING statements identify conditions or practices that could result in either personal injury or loss
of life.
As Marked on Equipment
CAUTION indicates either a personal injury hazard not immediately accessible as you read the marking
or a hazard to property, including the instrument itself.
DANGER indicates a personal injury hazard immediately accessible as you read the marking.
465B/DM44 Operators v

vi
SYMBOLS
As Marked on Equipment
It DANGER -High voltage.
@ Protective ground (earth) terminal.
Power Source
This product is intended to operate from a power source that will not apply more than 250 volts rms
between the supply conductors
or between either supply conductor and ground. A protective ground
connection
by way of the grounding conductor in the power cord is essential for safe operation.
Grounding the Product
This product is grounded through the grounding conductor of the power cord. To avoid electrical
shock, plug the power cord
into a properly wired receptacle before connecting to the product input or
output terminals. A protective ground connection by way of the grounding conductor in the power cord
is essential for safe operation.
465B/DM44 Operators
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Use the Proper Power Cord
Use only the power cord and connector specified for your product .
Use only a power cord that is in good condition .
Refer cord and
connector changes to qualified service personnel.
Use the Proper Fuse
To avoid fire hazard, use only the fuse specified for your product. Replacement fuses should be identical
in
type, voltage rating, and current rating.
Do Not Operate in Explosive Atmospheres
To avoid explosion, do not operate this product in an atmosphere of explosive gases unless it has been
specifically certified for such operation.
Do Not Remove Covers or Panels
To avoid personal injury, do not remove covers or panels from this product. Do not operate the product
without properly installed covers and panels.
4658/DM44 Operators vii

2756 · 33
4658 Oscilloscope with DM44 Digital Multi meter.
viii
465B/DM44 Operators
REV A AUG 1979