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Tektronix 465 User Manual
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I
'·.:
..
.
.
'by
Tektronix,
Inc.,
Beaverton;
.Oregon:
..
c.in~.
e
United
States
of
America.
All
rights
reserved.
'Contents
of
.this
publication
may
not.
be
reproduced
in
any
form
without
permission
of
Tektronix,
Inc.
U.S.A.
and
foreign
TEKTRONIX
products
covered
by
U.S.
·
and
foreign
patents
and/or
patents
pending,
I!'
f:
(
l
....
'---'·
1
3
Table of Contents
Default Chapter
3
Table of Contents
3
Introduction
7
Vertical Deflection System
7
Triggering
7
Horizontal Deflection System
8
X-Y Operation
9
Calibrator
9
Z Axis Input
9
Signal Outputs
9
Power Source
9
Cathode-Ray Tube
9
Supplemental Information General
9
Vertical Deflection System
9
Triggering
10
Horizontal Deflection System
10
Calibrator
10
External Zaxis Input
10
Output Signals
10
Cathode-Ray Tube
10
2 Operating Information
11
Introduction
11
Instrument Repackaging
11
Operating Voltage
11
Controls and Connectors
12
General
12
Cathode-Ray Tube (CRT) and Display
12
Vertical Deflection System
12
A and B Triggering
14
A and B Sweep
15
Calibrator and Power
16
Rear Panel
16
Obtaining Basic Displays
16
Introduction
16
Normal Sweep Display
16
Magnified Sweep Display
17
Delayed Sweep Display
17
Mixed Sweep Display
17
X-Y Display
17
3 Circuit Description
18
Introduction
18
Digital Logic
18
Block Diagram
18
General
18
Channel 1 Preamp
20
General
20
Input Coupling
20
Input Attenuator
21
Scale-Factor Switching Circuit
21
Source Follower Stage
21
First Cascode Amplifier Stage
21
Channel 2 Preamp
22
General
22
Second Cascode Amplifier
22
Third Cascode Amplifier
22
CIRCUIT DESCRIPTION (Cont)
23
Vertical Switching Circuit
23
General
23
Diode Gates
23
Switching Multivibrator
24
Delay-Line Driver
25
Reference Feedback Amplifier
25
Normal Trigger Pickoff Amplifier
25
Vertical Output Amplifier General
25
Delay Line
26
Output Amplifier
26
A and B Trigger Generators
26
General
26
Trigger Source
26
Trigger Coupling
26
Input Source Follower
26
Paraphase Amplifier
26
Tunnel Diode Driver
27
A and B Sweep Generators
27
General
27
Disconnect Amplifier
27
Sawtooth Sweep Generator
28
Output Buffer Amplifier
28
Sweep Start Amplifier
28
Logic Multivibrator
28
B Sweep Generator Differences
28
Sweep and Z Axis Logic Circuit
28
General
28
A Sweep Gate
28
B Sweep Gate
29
Sweep Control Integrated Circuit
29
A Sweep Holdoff Amplifier
30
B Sweep Holdoff Amplifier
30
A Sweep 2-Axis Gate
30
B Sweep Z-Axis Gate
30
A GATE and +B GATE Emitter Followers
30
B Sweep Latch
31
Horizontal Amplifier
31
General
31
X-Axis Amplifier
31
Input Paraphase Amplifier
32
Gain Setting Amplifier
32
Output Amplifier
32
CRT Circuit
32
General
32
High-Voltage Oscillator
33
High-Voltage Regulator
33
High-Voltage Rectifiers and Output
34
CRT Control Circuits
34
2-Axis Amplifier
34
DC Restorer Circuit
34
Calibrator
35
General
35
Multivibrator
35
Output Amplifier
35
A Trigger View Amplifier
35
I General
35
Amplifier
35
CIRCUIT DESCRIPTION (Cont)
36
Low-Voltage Power Supply General
36
Power Input
37
Secondary Circuit
37
Fan Motor Circuit
37
General
37
Maintenance
38
Cabinet Removal
38
Preventive Maintenance General
38
Cleaning
38
Lubrication
39
Transistors Checks
39
Recalibration
39
Corrective Maintenance
39
General
39
Obtaining Replacement Parts
39
Soldering Techniques
40
Component Replacement
40
5
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Tektronix 465 Specifications
General
Brand
Tektronix
Model
465
Category
Test Equipment
Language
English
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