HP 334A User Manual

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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HP 334A Specifications

General

Brand	HP
Model	334A
Category	Measuring Instruments
Language	English