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General| Measurement Functions | Distortion, Voltage, Frequency |
|---|---|
| Max Voltage Measurement | 300 V |
| Distortion Measurement Range | 0.1% to 100% |
| Type | Automatic Distortion Analyzer |
| Battery | Not applicable |
Lists serial number ranges for the instrument models.
Caution regarding electrical fire or shock hazards from moisture.
Identifies manual part number and print date.
Details warranty coverage, exclusions, and disclaimers.
Outlines sole and exclusive remedies for defects.
Information on obtaining service and assistance.
Essential safety precautions for operation, service, and repair.
Notes on warnings preceding dangerous procedures.
Explains the meaning of various safety symbols used in manuals.
Provides an overview of the 333A/334A Distortion Analyzers.
Details available accessories for the analyzers.
Explains serial number format and correspondence.
Covers initial inspection, power, and grounding.
Provides guidance for bench and rack mounting.
Instructions for safely packaging the instrument for transport.
Introduces operating principles and measurement capabilities.
Describes the function of all front and rear panel components.
Provides general guidance for using the instrument.
Details voltmeter functions and output terminal specifications.
Explains how to perform distortion measurements.
Procedures for powering up and zero-adjusting the meter.
Step-by-step guide for manual distortion measurement.
Guide for using the automatic nulling mode for distortion measurement.
Describes distortion measurement for AM RF carriers (Model 334A).
Instructions for using the instrument as a voltmeter.
Explains meter scales, dBm conversion, and Option 01 characteristics.
Covers use of output terminals and manual nulling techniques.
Explains the basic architecture and function of the analyzers.
Describes the main functional blocks of the instrument.
Details the theory behind distortion measurement operations.
Explains the function and operation of the Wien bridge circuit.
Describes the preamplifier, bridge, and auto control loops.
Details the bridge amplifier stages and their function.
Explains the high-pass filter and meter amplifier functions.
Describes the meter rectifier and power supply circuits.
Explains the RF detector circuit for the Model 334A.
Lists all test equipment necessary for maintenance.
Overviews maintenance procedures and performance checks.
Details the procedure for checking voltmeter accuracy.
Describes the process for checking fundamental signal rejection.
Outlines procedures for checking second harmonic and induced distortion.
Details the steps to check frequency calibration accuracy.
Covers automatic nulling, input impedance, and capacitance checks.
Describes the procedure for checking DC isolation.
Continues checks for capacitance and DC isolation.
Procedures for checking high-pass filter, noise, and AM detector.
Introduces the complete adjustment and calibration process.
Details power supply and voltmeter gain adjustment procedures.
Covers voltmeter frequency response and bridge balance adjustments.
Explains sensitivity switch calibration and factory selected components.
Outlines troubleshooting methodology and initial checks.
Step-by-step guide for troubleshooting the voltmeter function.
Troubleshooting procedures for the distortion measurement function.
Details checks for automatic control and photoresistors.
Guidance on servicing circuit boards, switches, and isolating the impedance converter.
Provides information on identifying and ordering replacement parts.
Illustrates and lists mechanical parts of the instrument.
Lists replaceable parts for the Power Supply assembly (A1).
Lists replaceable parts for the Meter Amplifier and Impedance Converter assembly (A2).
Lists replaceable parts for the Rejection Amplifier assembly (A3).
Continues the list of replaceable parts for assembly A3.
Lists replaceable parts for RF Detector (A4) and Control Circuit (A5).
Continues the list of replaceable parts for assembly A5.
Lists replaceable parts for assemblies A5, A6, and A7.
Lists specific replaceable resistors and switches.
Lists miscellaneous parts and cable assemblies.
Introduces circuit diagrams and explains reference designations.
Provides general notes applicable to all schematic diagrams.
Shows the color coding for circuit board wires.
Explains symbols and designations used in schematics.
