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Model
339A
Table of Contents
TABLE OF
CONTENTS
(Cont'd)
LIST
OF
ILLUSTRATIONS
Figure
^
a
8
c
2-1.
Line Voltage
Selection
2-1
2-
2.
Power Cord
Configurations
2-1
3-
2.
Distortion
Measurement
Using
339A
Internal Oscillator
3-2
3-3.
Distortion
Measurement
of
an
External
Source
3-3
3-1.
Control,
Connector and
Indicator Descriptions
3-0
4-1.
Full-Scale
Accuracy and
Frequency Response
Test
.
.
.
4-2.
Meter Tracking and Monitor
Output Accuracy
Test
4-3.
R.MS
Accuracy
Test
4-3
4-4.
Filter
Accuracy
Test
4-3
4-5.
/Oscillator
Output
Level
and
Flatness Test
4-5
4-6.
Oscillaotr
Output Impedance
Test
4-6
4-7.
Oscillator
Frequency Accuracy
Test
4-6
4-8.
Oscillator
Total
Harmonic
Distortion Test
4-8
4-9.
Logarithmic Addition
of
Harmonic Components
4-8
4-10.
Fundamental
Rejection
and
Induced
Distortion Test
4-9
4-11.
Distortion
Measurement
Accuracy
Test
4-10
4-12.
Shielded
Load Assembly
4-11
4-
13.
Input
Impedance
Test
4-12
5-
1.
Notch
Filter
Null
Adjustments
5-3
Figure
P
a
8
e
5-2.
Notch
Filter
High Frequency Adjust
.
.
.
5-5/ 5-6
5-
3.
Adjustment
Locations
5-7
6-
1.
Mechanical
Parts
Locator
6-15/6-16
7-
1.
Amplitude
Control
Circuit
Change
7-1/7-2
8-1.
Model
339
A
Simplified
Block
Diagram
8-2.
Simplified Input Amplifier
Schematic
.
8-3.
Simplified
Notch
Filter
Schematic
8-4.
Effect
of
Feedback
8-5.
Simplified
Capacitance
Neutralizer
Schematic
8-6.
Simplified
Amplitude
Error
Detector
Schematic
8-7.
Simplified
Phase
Error
Detector
Schematic
8-8.
Simplified
Auto
Set-Level Circuit
.
.
.
8-9.
Simplified
Meter
Circuit
Schematic
.
8-10.
Simplified Oscillator Circuit
8-11.
Simplified
Amplitude
Control
Circuit
8-12.
AM
Detector
and
Input
Switching
8-13.
Input Attenuator
and
Input
Amplifier
8-14.
Fundamental
Rejection Circuit
8-15.
Error Detector
Circuits
8-6
8-7
8-8
8-8
8-9
8
-
11
/
8-12
8-13/8-14
8-15/8-16
8-17
8-16.
Auto
Set-Level
and Meter
Circuits
8-17.
Oscillator Circuits
8-18.
Power
Supplies
8-19/8-20
8
-
21
/
8-22
8-23/8-24
V
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