Equipment information:

Tektronix 468 Oscilloscope
Manufacturer:
Tektronix
Model: 468
Date: 1984
Category: Measurement instruments
Group: Oscilloscope
Description: DIGITAL STORAGE OSCILLOSCOPE
Information:
                                    The TEKTRONIX 468 Oscilloscope is a portable digital storage
oscilloscope with a four-trace, dc-to-100 MHz, vertical
deflection system. The 468 combines an easy-to-use storage
function with cursor measurement of time and voltage.
Measurement values are indicated on a four-digit,
seven-segment LED display.
NON STORE MODE
In the NON STORE mode, the 468 operates as a conventional
oscilloscope that can display CH 1, CH 2, ADD, and A TRIG
VIEW (external trigger only) simultaneously. The vertical
deflection system has calibrated deflection factors ranging
from 5 mV to 5 V per division. The horizontal deflection
system has calibrated A Sweep rates from 0.5 s to 0.02 µs
per division and is capable of operating in the following
sweep modes: A,A intensified by B,A alternated with delayed
B, and B delayed. The calibrated B Sweep rates are from 50
ms to 0.02 µs per division.
The horizontal magnifier circuit feature increases each
sweep rate by a factor of 10. This provides a maximum sweep
rate of 2 ns per division when the TIME/DIV switch is in the
0.02 μs per division position.
STORAGE MODE
The 468 digital storage circuitry has a 10 MHz Useful
Storage Bandwidth for the acquisition of signals, and will
display the acquired waveform with a bright, flicker-free
trace. With the digital storage feature, low-frequency
signal analysis and waveform measurements-previously
difficult or impossible to make-are easily performed. A
choice of two standard and one optional signal acquisition
modes are available: NORM and ENVELOPE (standard) and AVG
(optional). Two storage functions are available to hold a
display indefinitely for measurement and comparison: SAVE
Storage Mode (stops acquisition) and SAVE REF (holds a
reference display and continues acquisition in the selected
Storage Mode). Waveform data may be acquired prior to or
after the trigger using the PRE TRIG or POST TRIG Storage
Window. Time and voltage measurements on the acquired
waveform are easily made using the VOLTS and
REV DEC 1981 468 Operators 1
TIME Cursor Functions, and the measurement values are
indicated on a four-digit, seven-segment light-emitting
diode (LED) display.

These manuals are available for the above equipment:

Tektronix -- 468 -- Service and User Manual
File name: Tektronix-6477-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 204
Size: 6.11 Mbytes (6410622 Bytes)
Language: english
Revision: revised
Manual-ID/Number: 070-2906-01
Date: April 1984
Quality: Scanned document, all readable.
Upload date:
MD5: da1d46f70e784502c1aa3aed3f1e2888
ed2kID: 34cbdc8204676fb96f9bcf0b5de90784
Downloads: 128 since 28 November 2014
Information:
LIST OF
ILLUSTRATIONS...........................................v
LIST OF
TABLES.........................................................vii
SAFETY
SUMMARY.....................................................viii
INTRODUCTION...........................................................1
NON STORE MODE...........................................1
STORAGE MODE...............................................1
AVAILABLE OPTIONS.........................................4
PREPARATION FOR
USE.............................................5
LINE VOLTAGE SELECTION.............................5
REGULATING RANGE SELECTION...................6
POWER CORD...................................................7
POWER ON SELF-VERIFICATION.....................8
Page
CONTROLS, CONNECTORS AND INDICATORS. . . 9
VERTICAL...........................................................9
DISPLAY AND CALIBRATOR.............................14
TRIGGERING.......................................................15
HORIZONTAL AND POWER...............................19
DIGITAL STORAGE.............................................23
REAR
PANEL.....................................................33
RIGHT SIDE PANEL...........................................37
LEFT SIDE PANEL.............................................37
OPERATING CONSIDERATIONS.................................39
GRATICULE.........................................................39
GROUNDING.......................................................39
SIGNAL CONNECTIONS...................................39
INPUT COUPLING CAPACITOR
PRECHARGING...................................................40
INSTRUMENT COOLING...................................40
OSCILLOSCOPE DISPLAYS........................................41
NON STORE DISPLAYS........................................41
NORMAL SWEEP DISPLAY..............................41
MAGNIFIED SWEEP DISPLAY..........................43
B DELAYED SWEEP DISPLAY...........................43
ALTERNATE HORIZONTAL SWEEP
DISPLAY.............................................................44
X-Y
DISPLAY.......................................................44
SINGLE SWEEP DISPLAY.................................45
DIGITAL STORAGE DISPLAYS...............................46
NORM STORAGE MODE DISPLAY...................46
ENVELOPE STORAGE MODE DISPLAY_____48
AVG STORAGE MODE DISPLAY.......................49
SAVE STORAGE MODE DISPLAY.....................50
SAVE REF DISPLAY...........................................51
OPERATOR’S CHECKS AND ADJUSTMENTS---------52
TRACE ROTATION ADJUSTMENT...................52
PROBE COMPENSATION...................................53
ASTIGMATISM ADJUSTMENT...........................54
OPERATOR’S CHECKS AND ADJUSTMENTS (cont)
Page
VERTICAL GAIN CHECK...................................55
EXTERNAL HORIZONTAL GAIN CHECK_____56
VERTICAL DEFLECTION ACCURACY
CHECK.................................................................56
VOLTS CURSOR ACCURACY CHECK.............56
TIME CURSOR ACCURACY CHECK.................57
MAKING DIGITAL STORAGE MEASUREMENTS . . 59
AC PEAK-TO-PEAK VOLTAGE...........................59
INSTANTANEOUS DC VOLTAGE.......................61
TIME DURATION.................................................63
FREQUENCY.......................................................64
RISE
TIME...........................................................65
WAVEFORM COMPARISON...............................67
TIME DIFFERENCE BETWEEN
REPETITIVE PULSES.........................................68
TIME DIFFERENCE BETWEEN TWO
TIME-RELATED PULSES...................................69
MAKING DIGITAL STORAGE MEASUREMENTS (cont)
PHASE DIFFERENCE BETWEEN
SINUSOIDAL SIGNALS................................ 71
SLOPE............................................................
73
LOW-LEVEL SIGNAL MEASUREMENTS ... 74 EXPANSION OF NORM STORAGE
DISPLAYS......................................................
75
ENVELOPE STORAGE MODE...................... 77
Anti-Aliasing.............................................. 77
Glitch Catching.......................................... 79
Glitch Measurement.................................. 80
Missing Pulse............................................ 82
MAKING NONSTORAGE MEASUREMENTS.......... 84
AC PEAK-TO-PEAK VOLTAGE...................... 84
INSTANTANEOUS DC VOLTAGE.................. 86
ALGEBRAIC ADDITION................................ 87
COMMON-MODE REJECTION...................... 89
AMPLITUDE COMPARISON.......................... 90
Page
MAKING NONSTORAGE MEASUREMENTS (cont)
TIME DURATION.................................................91
FREQUENCY.......................................................92
RISE
TIME...........................................................92
TIME DIFFERENCE BETWEEN TWO
TIME-RELATED PULSES...................................93
TIME COMPARISON...........................................95
PHASE DIFFERENCE.........................................96
HIGH-RESOLUTION PHASE DIFFERENCE. . 98
DELAYED SWEEP MAGNIFICATION.................98
Magnified Sweep Starts After Delay.............99
Triggered Delayed Sweep Magnification . . 101
DELAYED SWEEP TIME MEASUREMENTS . 102
Time
Duration.................................................102
Frequency.......................................................103
Rise
Time.......................................................104
Time Difference Between Repetitive Pulses 105
Time Difference Between Two
Time-Related Pulses.......................................107
OPTIONS 109
GENERAL DESCRIPTION...................................109
OPTION 02 OPERATING INFORMATION..........109
A Typical System on the GPIB.......................110
Controllers, Talkers, and Listeners.................111
GPIB Signal Line Definitions...........................111
GPIB Connector .............................................115
Interface Functions and Commands .............115
GPIB Switch Operation...................................119
Power-Up State..............................................122
Power-Down State.........................................122
GPIB Status Indicator.....................................123
GPIB Status Bytes.........................................123
468 GPIB Message Protocol.........................124
468 Message..................................................125
Calculating Coordinate Values.......................129
Driver Program ..............................................133
OPTION 05 TV SYNC SEPARATOR.................140
General Information.........................................140
Specification....................................................142
Furnished Accessories ...................................143
Installation of the Video Graticule .................143
OPTIONS (cont)
Vertical Calibration for CCIR and NTSC Video
Page
Graticules........................................................143
Operation of the Sync Separator...................144
Vertical Operating Modes—Special
Considerations.................................................145
Typical Operation ...........................................146
Selecting an Individual Line ...........................147
Special Measurements...................................148
Identifying Fields, Frames, and Lines in 525/60
and 625/50 TV Systems.................................149
OPTION 11 OPERATING INFORMATION..........151
Introduction.....................................................151
Setting Up the Option.....................................151
Using the Option.............................................152
SPECIFICATION 155
ACCESSORIES 192
STANDARD ACCESSORIES INCLUDED..........192
OPTIONAL ACCESSORIES...............................192
CHANGE PAGE
Tektronix-6477-Manual-Page-1-Picture
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