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Table of Contents
Model
339A
TABLE OF
CONTENTS
(Cont'd)
Section
Page
V.
5-7.
Factory
Selected
Components
.
.
5-1
5-9.
Voltmeter Adjustments
5-1
5-10.
Mechanical Meter Zero
5-1
5-12.
Gain Adjustments
5-1
5-13. Oscillator
Adjustments
5-2
5-14.
Amplitude Adjustment
5-2
5-15.
Frequency Adjustment
5-2
5-16.
Analyzer Adjustments
5-2
5-17.
Notch
Filter
Null Adjust
5-2
5-18.
High Frequency Adjustment
.
.
.
5-4
Section
Page
VI.
Replaceable
Parts
6-1.
Introduction
6-4.
Ordering Information
6-6.
Non-Listed
Parts
6-8.
Parts
Changes
6-1
/
6-10.
Proprietary Parts
6-2
Section
Page
VII.
Manual Changes
.
.7-
1/7-2
7-1.
Introduction
.
.
7-
1/7-2
7-3.
Manual Changes
.
.
.
7-1/7-2
7-6.
Manual Change
Instructions.
.
.
.
.
.
7-
1/7-2
Section
P
a
8
e
VIII.
Service
8-1
8-1.
Introduction
8-1
8-3.
Safety Considerations
8-1
8-8.
Recommended
Test
Equipment
8-1
THEORY
OF OPERATION
8-10.
General Description
8-1
8-22.
Circuit
Descriptions
8-2
8-23.
Input
Circuitry
8-2
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8-28.
Input Overload Protection
8-3
8-30.
Analyzer
Circuitry
8-3
8-31.
Notch
Filter
8-3
8-33.
Capacitance
Neutralizer
8-5
8-35.
Amplitude
Error Detector
8-6
8-37.
Phase
Error Detector
8-6
8-39.
Auto
Set
-
Level
Circuit
8-7
8-41.
Meter
Circuits
8-7
8-43.
Oscillator Circuit
8-8
LIST
OF TABLES
Table
Page
1-1.
Specifications
1-2
1-2.
Typical
Operating
Characteristics
1-4
1-3.
Recommended
Test
Equipments
1-4
4-1.
Full-Scale
Accuracy and Frequency
Response
Test Limits
4-2.
Meter Tracking and
MONITOR
Output Accuracy
Tests
4-3.
Oscillator
Output
Limits
(Flatness Test)
4-6
4-4.
Oscillator
Frequency Accuracy
Test
4-7
4-5.
Oscillator
Total
Harmonic
Distortion Test
4-8
4-6.
Fundamental
Rejection
and Induced
Distortion Test
4-
7.
Distortion
Measurement
Accuracy
Test ....
4-1
1
5-
1.
Factory
Selected
Components
5-7
5-
2.
Adjustable
Components
5-7
6-
1.
Standard Abbreviations
6-1
6-2.
Code
List
Of
Manufacturers
6-2
6-
3.
Replaceable
Parts
6-3
7-
1.
Manual Changes
by
Serial
Number
7-1/7-2
IV
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