Product details
Model Number: AV4945B/C
Brand Name: CETC EI
Key Specifications/Special Features:
Product overview: AV4945 Series Comprehensive Radio Tester, which isa multifunctional and portable model based on software radio architecture,integrates plentifulfunctions,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 tester is capable of major performance testes on transmit and receiving of radio communication equipment, measurement and analysis on featureparameters of RF, modulation, audio, and digit etc. Wide applications of the testercover R&D, production, verification, maintenance and repair, and testing on radio communication equipment, including short-wave/ultra-short-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 tester conveniently.Main characteristicsMultiple RF testing functions: sweep spectrum analysis, broadband and narrow band power measurement, frequency error measurement, RF signal source;Analog standard communication testing: AM, FM, SSB signal generation and demodulation analysis. Equipped with graphic display of demodulation audio, SINAD, SNR, distortion degree, modulation rate and other measurement functions. The built-in speaker outputs demodulation voicein real-time. Modulation signal generator and modulation source support external audio and microphone;Digital standard communication testing (option): 10MHz bandwidth digital vector signal generation and analysis, bit error rate measurement, with real-time output interface of digital demodulation;
Frequency-hopping testing (option): 60MHz transient bandwidth frequency-hopping signal generation and analysis. Frequency-hopping analysis supports measurements types like waterfall chart and frequency-time. Single capture lasts 1.3s at the bandwidth of 60MHz and the time resolution is 10ns;
Audio signal testing: audio signal generation and analysis, the max. audio input level reaches 30Vrms (high impedance), the max. audio output level reaches 7Vrms (high impedance); capable of measurements onfrequency, level, SINAD, SNRand distortion degree; audio generation supports dual-tone output; individual adjustment is available for dual-tone frequency and amplitude, phase is adjustable relatively;
Dual-channel oscilloscope (option): DC~4MHz
Name | Specifications | Remarks | |
RF single generation | Freq. range | 1MHz~1.05GHz(AV4945B,up to 100kHz), 1MHz~3GHz(AV4945C,up to 100kHz) |
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Freq. resolution | 1Hz | ||
Output level range | GEN:-120dBm~+5dBm(max. modulation 0dBm) T/Rinterface:-130dBm~-35dBm |
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Level resolution | 0.1dB | ||
Level accuracy | ±1.5dB(≥-110dBm),±2.0dB(<-110dBm) | ||
Single sideband phase noise | -93dBc/Hz@20kHz(≤1.05GHz),-90dBc/Hz@20kHz(>1.05GHz) | ||
Harmonic | Better than -25dBc(>1MHz,≤0dBm) | ||
Non-harmonic | Better than -35dBc(>1MHz,+5dBm output) | ||
Internal analog modulation source | Sine, square wave, triangle, saw-tooth, dual-tone(analog pilot) | ||
Internal FM | Max. frequency offset:150kHz Accuracy:±5%(frequency offset 5kHz~150kHz) Modulation rate:20Hz~20kHz |
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Internal AM | Modulation range:0~100% Accuracy:±5%(relative value,depth 10%~90%) Modulation rate:20Hz~20kHz |
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Internal SSB | Modulation options:USB、LSB Modulation rate:300Hz~5kHz |
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External FM/AM/SSB | Modulation rate:20Hz~15kHz(FM,AM),300Hz~3kHz(SSB) | ||
Vector signal generation (option) | Modulation type:2ASK, 2FSK, GMSK, BPSK, QPSK, 8PSK, 16QAM Max. modulation bandwidth:10MHz Max. symbol rate:5MHz Digit source:PRBS, whole 0, whole 1, 0and 1 alternation, external digital filter: RC, RRC, GAUSS EVM:≤2%rms(symbol rate≤1MHz),≤3%rms(symbol rate>1MHz) |
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Frequency-hoppingsignal generation(option) | Max. frequency-hopping transient bandwidth:60MHz Max. non-repetitive hopping graphic length:4000 Frequency agility time:<10μs Max. hopping rate:100,000 times/sec Hopping type:internal stepping repetition, external frequency control |
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Broadband power measurement | Frequency range | 400kHz~1.05GHz(AV4945B),400kHz~3GHz(AV4945C) | |
Measurement range | 0.1mW~100mW (ANTinterface),100mW~150W(T/Rinterface,>40W,continuous input for a single time should not be longer than 1 min, intervalbetween two consecutive input should not be shorter than 2 min.) | ||
Measurement accuracy | 15%(≤120W,CW or frequency modulation) | ||
Narrow band power measurement | Frequency range | 300kHz~1.05GHz(AV4945B, low frequency depends on small IF bandwidth) 300kHz~3GHz(AV4945C, low frequency depends on small IF bandwidth) |
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Measurement range | +51dBm~-40dBm(T/Rinterface, low frequency depends on small IF bandwidth) +10dBm~-80dBm(ANTinterface, low frequency depends on small IF bandwidth) |
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Measurement accuracy | ±2dB | ||
Receiving bandwidth | 6.25, 8.33, 10, 12.5, 25, 30, 100, 300kHz | ||
Frequency error meter | Frequency range | 300kHz~1.05GHz(AV4945B, low frequency depends on small IF bandwidth) 300kHz~3GHz(AV4945C, low frequency depends on small IF bandwidth) |
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Accuracy | Frequency standards±1Hz | ||
=Audio signal generation | Waveform | Sine, square wave, triangle, saw-tooth | |
Signal type | Single-tone, dual-tone | ||
Frequency | 20Hz~20kHz(sine),20Hz~4kHz(square wave, triangle, saw-tooth) | ||
Frequency resolution | 0.1Hz | ||
Level range | 1mV~7Vrms(10kΩ load) | ||
Level accuracy | ±5%(10kΩ load≥10mVrms) | ||
Audio signal analysis | Input impedance | 150Ω, 600Ω, high impedance | |
Max. input level | 30Vrms(high impedance) | ||
Audio filter | Low-pass:300Hz, 5kHz, 15kHz, 20kHz Band-pass:0.3~3.4kHz, 0.3~5kHz, 0.3~15kHz, 0.3~20kHz |
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Frequency meter | Frequency range:20Hz~20kHz Input level:20mV~30Vrms Resolution:0.1Hz Precision:1Hz |
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Level meter | Frequency range:20Hz~20kHz Input level:1mV~30Vrms Unit:V, dBV, dBm Precision:±5%(High impedance, ≥10mVrms) |
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SINAD meter | Measurement range:3~60dB Precision:±1.0dB(SINAD>3dB,≤40dB,5kHz low-pass) Frequency range:300Hz~5kHz Input level:0.1~30Vrms |
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Distortion meter | Measurement range:0~90% Precision:<±0.5%(distortion degree<10%),<±1.0% Frequency range:300Hz~5kHz Input level:0.1~30Vrms |
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SNR meter | Measurement range:3~60dB Precision:±1.0dB(SNR>20dB,≤40dB) Frequency range:300Hz~5kHz Input level:0.1~30Vrms |
Main Export Markets:
- Asia
- Central/South America
- Eastern Europe
- Mid East/Africa
- North America
- Western Europe