Table of  Contents 
LIST 
OF 
TABLES 
Model 
333A1334A 
Page 
1- 
1 
. 
Specifications 
.............. 
1 
. 
1 
5.5 
. 
Power Supply and 
Bias 
Adjustments 
. . 
5-8 
Measurements 
............ 
3-1  5.7 
. 
Factory Selected Components 
..... 
5-12 
5.2 
. 
Second Harmonic Accuracy Check 
... 
5-2  5.8 
. 
Troubleshooting Aid 
.......... 
5-13 
Number  Page  Number 
3.1 
.  Effect of  Harmonics on Voltage 
5.6 
. 
Sensitivity  Switch Calibration 
..... 
5-12 
5.1 
.  RequiredTestEquipment 
........ 
5-0 
5.3 
.  Frequency Calibration Accuracy Check 
5-4  5.9 
. 
Photoresistor Check 
.......... 
5-15 
5.4 
. 
Voltmeter Frequency Response Check  . 
5-6  6.1 
. 
Replaceable  Parts 
........... 
6-6 
LIST 
OF 
ILLUSTRATIONS 
Number  Page  Number  Page 
1.1 
. 
3.1 
. 
3.2 
. 
3.3 
. 
4.1 
. 
4.2 
. 
4.3 
. 
4.4 
. 
4.5 
. 
4.6 
. 
4.7 
. 
4.8 
. 
5.1 
. 
5.2 
. 
5.3 
. 
Model 
333A 
Distortion Analyzer 
.... 
Front and Rear Panel Description 
... 
Manual Nulling Test Setup 
Impedance Correction Graph 
...... 
Block 
Diagram 
............. 
Bridge Waveforms 
........... 
Wien Bridge Circuit and Rejection 
Characteristics 
........... 
Auto Control Loop Detector 
....... 
Reference and Error Phase 
Relationship 
............. 
Rejection Amplifier  Block Diagram and 
Typical Frequency  Rejection 
Characteristic 
............ 
Bandwidth Versus 
Null 
Depth 
...... 
Simplified Metering Circuit 
....... 
Fundamental Rejection Check 
..... 
Instrument Induced Distortion Check 
. . 
Frequency Calibration Accuracy Check 
111 
5.4 
. 
3 
-0 
3- 
5  5 .5 
. 
3-5  5.6 
. 
4-0 
4-2  5.7 
. 
5.8 
. 
4-3 
6.1 
. 
4-3  6.2 
. 
6.3 
. 
4-4  7.1 
. 
7.2 
. 
4-5 
7.3 
. 
4-6 
4-7  7.4 
. 
5-1  7.5 
. 
5-2 
5-3 
7.6 
. 
Capacitance Check 
........... 
5-5 
DC 
Isolation Check 
........... 
5-6 
Voltmeter Accuracy and Frequency 
Response Check 
........... 
5-7 
Shielded Load Assembly 
........ 
5-8 
Adjustment and Chassis Mounted 
Component Location 
.......... 
5-9 
Mechanical 
Parts 
........... 
6-2 
Modular Cabinet 
Parts 
......... 
6-4 
Frequency Tuning Assembly 
...... 
6-5 
Impedance Converter (P/O 
A2) 
and RF 
Rejection Amplifier (A3). Bridge Balance 
(P/OA6) andH  h 
Pass 
Filter 
(A7) 
7-7/7-8 
Meter AmplifiervP/O 
A2) 
...... 
7-9/7-10 
Control Circuit 
(A5) 
and Bridge 
Power  Supply 
(Al) 
......... 
7-13/7-14 
Internal Wiring 
Data 
......... 
74/74 
Detector 
(A4) 
........... 
7-5/74 
Balance (P/O A6) 
........ 
7-11/7-12 
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