AV4958 Handheld Microwave Comprehensive Tester

AV4958 Handheld Microwave Comprehensive TesterProduct Overview

The AV4958 handheld microwave comprehensive tester integrates multiple functions such as cable and antenna standing wave ratio testing, discontinuous point fault location testing, insertion loss and gain testing, spectrum analysis, power measurement, etc. It is easy to carry, flexible and maneuverable, and can be powered by batteries, making it very suitable for on-site testing. This comprehensive testing instrument can be widely used in various aspects of on-site installation and debugging, performance testing, daily maintenance, and emergency repair testing of electronic equipment such as radar, communication, and electronic countermeasures, effectively improving users' on-site maintenance and support capabilities.

Main Features

● Multiple measurement modes

Antenna feeder testing mode: used for cable and antenna testing (return loss, fault location, etc.);
Network analysis mode: used for testing all S-parameters (various display formats);
Spectrum analysis mode: used for spectrum analysis (field strength, channel power, occupied bandwidth, etc.);
Power monitoring mode: used for power measurement;
Vector voltage measurement mode: used for vector voltage measurement;
USB power measurement: used for power measurement through USB interface;

● High performance

The frequency range for testing the antenna feeder is 1MHz to 20GHz, with a frequency resolution of 10Hz
Network analysis frequency range: 1MHz~20GHz, frequency resolution: 10Hz, dynamic range: 80dB~95dB;
Spectrum analysis frequency range 100KHz~20GHz, sideband noise -105dBc/ Hz@1MHz (1GHz carrier);

● Flexibility

Small size, light weight, built-in battery, easy to complete on-site operations;
Complete self diagnostic function and state self-test;
Intelligent power management function, remaining battery indicator and low battery warning;

● Friendly human-machine interface

Chinese operating interface, embedded with usage instructions and help information;
7-inch high brightness true color TFT LCD display, providing good visibility even under direct sunlight conditions;

● Universal interface

Provide external input bias T function to provide power for active tested components;
Provide two types of USB 2.0 interfaces, one for connecting mobile storage devices and the other for communicating with computers;
Provide one 100M network interface, which can be used to build a local network or achieve remote control;

Antenna feeder testing
The handheld microwave comprehensive tester has a feeder line testing frequency range of 1MHz to 20GHz, with a frequency resolution of 10Hz. It can measure parameters such as voltage standing wave ratio, return loss, impedance, and cable loss of the tested component, and also provides fault point location function (DTF) to accurately locate impedance mismatch points.

Network analysis
The network analysis frequency range of the handheld microwave comprehensive tester is 1MHz to 20GHz, with a frequency resolution of 10Hz. It provides standard full 4S parameter vector network analysis and measurement capabilities, and can perform full S-parameter tests such as amplifiers, filters, attenuators, duplexers, etc. Display formats include logarithmic, linear, phase, impedance, polar coordinates, etc.

Spectrum analysis
The handheld microwave comprehensive testing instrument has a frequency range of 100kHz to 20GHz for spectrum analysis. It has the characteristics of wide bandwidth, high resolution, high sensitivity, and large dynamic range. It can easily obtain various parameters that are not easily obtained in time-domain measurements, such as spectrum purity, signal distortion, parasitism, intermodulation, etc.

USB power measurement (optional)
The handheld microwave comprehensive tester can measure power by selecting the AV8723X series USB power probe from 41 Institute, and can measure RF/microwave signals with frequencies up to 40GHz.

Typical applications and examples

Multi domain testing

Filter performance testing

Used to test indicators such as insertion loss, ripple, and out of band suppression of filters.

Time domain measurement

By utilizing the time-domain function of antenna feeder testing or network analysis mode, the length and fault location of cables can be tested.

Radar and communication system performance testing

Can be used for measuring scattering parameters in radar networks.
It can be used in the research and development process of various radar systems and communication systems. It can accurately test the frequency, power, and phase noise of various signals during the signal generation process, as well as test the modulation characteristics of various stray signals, parasitic signals, harmonic distortions, and signals.

Spectrum monitoring management

It can manage the airborne radio frequency signals within the control range, quickly identify and search for various types of interference signals. For example, spectrum monitoring and management of radio stations, broadcasting stations, communication equipment, airports, base stations, sensitive areas, etc. Due to its audio demodulation function, it can also be used for monitoring radio stations.

Communication satellite monitoring

It can be used to monitor the signal spectrum quality, power, and power control status of communication satellites, distinguish and search for interference signals, and ensure the safe, reliable, and stable operation of communication satellite networks.

Testing in the field of Radio Frequency Identification (RFID)

Can be used for transmitting stray radiation and field strength testing, frequency deviation testing, bandwidth occupancy testing, polling, and timing measurement of interrogators in RFID systems.

Bluetooth field testing

Can be used for transmitter power testing, power spectrum testing, modulation testing, and stray radiation testing of Bluetooth systems.

Testing of components, parts, and the entire machine

It can measure the amplitude, phase, and group delay characteristics of the S-parameters of the tested object, and has efficient and powerful error correction capabilities. It is widely used in electronic components, radar, aerospace, electronic interference and countermeasures, communication, broadcasting and television, and civilian fields.
It can test parameters such as gain, frequency response, bandwidth, insertion loss, frequency conversion loss, isolation, distortion, etc. for components or parts such as cables, connectors, amplifiers, filters, mixers, attenuators, isolators, couplers, etc.
It can be applied to the testing of various machines and devices, such as in the maintenance, upkeep, and monitoring of signal generators, to test performance indicators such as frequency, power, phase noise, parasitic, harmonic distortion, and modulation characteristics.

technical specifications

Ordering Information
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standard configuration

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