Table of Contents
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Table
of
Contents
Model 1821A
TABLE
OF
CONTENTS
Section
Page
I
GENERAL
INFORMATION
1-1
1-1.
Instrument Description
1-1
1-5.
Scope
of
Manual
1-1
1-7.
Identification
•
•
•
1-1
1-
9.
1-1
II
2-1
2-
1.
Inspection
2-1
2-4.
2-1
2-7.
for
Shipment
•
•
•
2-1
2-
10.
Preparation
for
Use
2-1
ni
3-1
3-
1.
3-1
3-3.
Controls
and Connectors
•
•
•
•
3-1
3-16.
Trigger
Signal
Requirements
•
•
3-2
3-
18.
Operating
Instructions
3-2
IV
PRINCIPALS
OF OPERATION
4-1
4-
1.
Introduction
4-1
4-6.
4-1
4-8.
Diagram
Description
•
4-1
4-13.
Circuit Details
4-2
4-26.
Sweep
4-3
4-28.
Block
Diagram
Description
•
4-3
4-32.
Circuit Details
4-3
4-
39.
4-4
V
5-1
5-
1.
5-1
5-3.
5-1
5-5.
Performance Check
5-1
5-9.
Preliminary Set-Up
5-1
5-11.
Control
....
5-1
5-12.
Triggering
5-1
5-13.
Trigger
Point
and
Slope
•
•
•
5-2
5-14.
Main Sweep
Time
5-2
Section
Page
5-15.
Main Sweep
5-2
5-16.
Magnified
Sweep
5-2
5-17.
Delayed Sweep
Time
5-2
5-18.
•
•
•
5-3
5-19.
Accuracy
•
•
•
•
5-3
5-20.
Delay
Time
Linearity
•
•
•
•
5-3
5-21.
Jitter
5-3
5-22.
Output
.
.
.
5-3
5-23.
5-3
5-24.
5-3
5-25.
Adjustments
5-3
5-27.
Preliminary
5-3
5-29.
Initial
Control
Settings
•
...
5-3
5-30.
5-4
5-31.
5-4
5-32.
Length
5-4
5-33.
Length
....
5-4
5-34.
Main Sweep
Time
5-4
5-35.
Delayed
Sweep
Time
5-4
5-36.
•
•
•
•
5-5/5-6
VI
REPLACEABLE
6-1
6-1.
Introduction
6-1
6-4.
Ordering
6-1
VII
manual
changes and
options
•
•
•
7-1
7-1.
Manual Changes
7-1
7-5.
Options
7-7.
Special
Instruments
7-1
VIII
SCHEMATICS
TROUBLESHOOTING
8-1
8-1.
Introduction
.
8-1
8-3.
Schematic
....
.
8-1
8-6.
Component
Identification
•
•
.
8-1
8-8.
Troubleshooting
.
8-1
8-12.
Repair and Replacement
•
•
•
8-1
11
02591-2
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