4945 Series

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4945B/C Radio Communications Test Set, which is a multifunctional and portable model based on software radio architecture, integrates plentiful functions, like frequency-hopping signal generation and analysis, vector signal generation and demodulation analysis, analog modulation signal generation and demodulation analysis, audio signal generation and analysis, audio oscilloscope, automatic testing and so on. The test set is capable of major performance testes on transmitting and receiving of radio communication equipment, measurement and analysis on feature parameters of RF, modulation, audio, and digit etc. Wide applications of the test set cover R&D, production, verification, maintenance and repair, and tests on radio communication equipment, including short-wave/ultrashort-wave radio stations, data link systems, communication and surveillance satellites, radio relay equipment. Military mobile carriers with radio communication terminals like communication vehicles, surveillance vehicles, vessels and ships, as well as external field tests can use this test set conveniently.  

Auto testing functions of radio communication equipment

Can create and edit models, parameters and qualified specification limits of DUT. Choose your DUT and connect test cable, the comprehensive test set will automatically conduct the test. It controls transmitting and receiving of the DUT by PTT. When the DUT needs setup or the cable needs being changed, the test set will automatically halt the test and indicate further operation. The test goes on after the operation is finished. Qualified and unqualified items will be listed directly. Other functions, like storage, viewing, comparison and remote readout, are also available.

Transmitter test

It can conduct simultaneous tests on various performance specifications of transmitters, like signal power, frequency error, signal modulation characteristics, audio demodulation, and so on. Audio signals of transmitters can be provided and single/double tones are available for your choice. It can simulate pilot signals.

Receiver test

It’s able to send out FM, AM and SSB RF signals; analyse audio demodulation of the receiver; measure accurately audio frequency, voltage, distortion degree, SINAD and SNR.

Function as a RF signal generator

Analog modulation of FM, AM, SSB etc., and digital modulation of BPSK, QPSK, 8PSK, GMSK,16QAM and so on can all be output. The max. symbol rate of digital modulation is 5MHz. The test set up holds generation of 60MHz transient bandwidth frequency-hopping signals.

Datasheet