HP 4935A User Manual

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HP 4935A Specifications

General

Type	Transmission Impairment Measuring Set
Frequency Range	30 Hz to 110 kHz
Measurements	Level, Frequency, Noise
Display	Digital
Power Requirement	120/240 VAC, 50-60 Hz
Input Impedance	600 ohms balanced, 135 ohms unbalanced, 150 ohms unbalanced

Summary

General Information and Specifications

Safety Precautions

Essential safety precautions for instrument operation.

Installation and Setup Procedures

Power Requirements

Specific power requirements for the instrument.

Line Voltage Selection

How to select the appropriate line voltage.

Instrument Operation and Measurements

Self Check Procedure

How to perform an automatic self-check of the instrument.

Error Message Explanations

Explanation of instrument error messages.

Operating Instructions

Measurement Procedures

Performance Tests

Transmitter Flatness Testing

Receiver Accuracy Testing

Filter Testing Procedures

Distortion Test

P/AR Test Procedure

Adjustments and Calibration

Calibration Safety

Safety precautions for adjustments and calibration.

Power Supply Adjustments

Receiver Adjustments

Hold Circuit Adjustments

Service and Troubleshooting

Power Supply Troubleshooting

Procedures for troubleshooting the instrument's power supply.

Display Troubleshooting

Troubleshooting issues related to the instrument display.

Receiver Troubleshooting

Procedures for troubleshooting the receiver section of the instrument.

Charger Board Troubleshooting

Procedures for troubleshooting the charger board.