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Tektronix 7834 User Manual
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FROM
MAIN
--
INTERFACE
THE
SYMBOL
INDICATES
A
SCHEMATIC
.
S344
S352
S354
the
Storage
Sweep
Gate
Latch
stage
to
its
LO
state
.
The
reset
signal
is
produced
when
any
one
of
the
following
conditions
occur
:
STORAGE
SWEEP
GATE
LATCH
RESET
U330A,
B
U332A,
B,
C
U334A,
B,
C,
D
Q332,0336
(1)
The
Storage
Lockout
signal
(pin
4
of
P324)
goes
HI
.
STORAGE
SWEEP
GATE
LATCH
SET
U322A,
B
U326A,
B
STORAGE
SWEEP
GATE
LATCH
U322D
U332D
SYORAGESWtEP
GATE
LOGIC
Figure
3-2
.
Detailed
block
diagram
of
the
Calibrator
and
Mode
Switch
.
J395
(CALIBRATOR
VOLTS)
Theory
of
Operation-7834
A
OR
B
SINGLE
----'--®°
SWEEP
LOGIC
STORAGE
'
SWEEP'
GATE
TO
A
TRIGGER
~---°---
-------
AMPLIFIER
TO
B
TRIGGER
AMPLIFIER
TO
MAIN
-
INTER-
CONNECT
(2)
The
Alternate
Pulse
signal
(pin
8
of
P324)
goes
HI
with
the
HORIZONTAL
MODE
switch
set
to
A
or
B
.
(3)
The
A
Holdoff
and
B
Holdoff
signals
(pin
5
and
6
of
P324
respectively)
both
go
HI
with
the
HORI-
ZONTAL
MODE
switch
set
to
ALL
or
CHOP
.
3-
9
64
66
Table of Contents
Table of Contents
3
List of Illustrations
4
Operators Safety Information
6
Service Safety Information
8
Section 1 General Information
11
Introduction
11
Installation
11
Initial Inspection
11
Operating-Power Information
11
Operating Voltage
12
Operating Position
13
Packaging for Shipment
13
Specification
14
System Electrical Specification
25
Standard Accessories
28
Recommended Accessories
29
Section 2 Operating Instructions
31
Preliminary Operation
31
Plug-In Units
31
Installation of Plug-In Units
31
Controls and Connectors
31
Front-Panel Color Coding
31
Functional Check
31
Test Equipment Required
31
Preliminary Set up
36
Display Focus
36
Trace Alignment
37
Graticule Illumination
37
Control Illumination
37
Vertical Deflection System
37
Horizontal Deflection System
37
Triggering
38
Readout
38
Calibrator
39
Z-Axis Input
39
Storage Operation
39
Detailed Operating Information
41
Graticule
41
Light Filter
41
Control Illumination
41
Intensity Controls
41
Display Focus
42
Astigmatism-Focus Adjustments
42
Beamfinder
42
Trace Alignment
42
Readout Display
42
Reduced Scan Mode
44
Storage Display
44
Care of Storage Screen
46
Vertical and Horizontal Mode Combinations
46
Vertical Trace Separation
49
Trigger Source
49
Calibrator Output
49
Signal Outputs
49
Display Photography
50
Intensity Modulation
50
Remote Input Signals
51
Applications
51
Vertical Amplifier Plug-In Units
51
Time-Base Plug-In Units
52
Sampling Displays
52
Special Purpose Plug-In Units
52
X-Y Operation
53
Raster Displays
53
Block Diagram
57
Description
57
Detailed Circuit Operation
60
Logic Fundamentals
60
Non-Digital Devices
64
Cabling
64
Calibrator and Mode Switch
64
Main Interface
66
Logic
66
A Trigger Selector
85
B Trigger Selector
87
Vertical Interface
89
Horizontal Interface
90
Output Signals
90
Readout System
91
Converter/Rectifiers
108
Lv (Low-Voltage) Regulators
112
Main Interconnect
114
Vertical Amplifier
114
Horizontal Amplifier
116
Z Axis & Crt
118
Auto Focus Amplifier
120
Storage Control and Trace Align Storage Display
121
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Tektronix 7834 Specifications
General
Brand
Tektronix
Model
7834
Category
Test Equipment
Language
English
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