리퍼비시 계측기
리퍼비시 계측기
The Aeroflex 3920 is the latest in next generation portable test for advanced professional analog and digital radio communications. Aeroflex has an exclusive new option for the Aeroflex 3900 Series Digital Radio Test Set to support P25 Trunking. Designed to support the needs of basic P25 testing as well as complex analysis of advanced P25 systems, the 3900 Series features powerful analysis tools with an easy to use graphics interface. The new P25 Trunking Option (option 201) supports trunking operation in the VHF/UHF/700 MHz and 800 MHz bands. Exclusive features include the ability to simultaneously generate a control channel and traffic channel with duplex offset capability to go from 1 MHz to 2.7 GHz.
| Frequency | Range: 10 MHz to 1.05 GHz (standard) Resolution: 1 Hz Accuracy: ±1 count |
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| Output level | Range | T/R Port: -130.0 to -30.0 dBm Duplex: -130.0 to +10.0 dBm |
| Resolution | 0.1 dB | |
| Accuracy | 1.0 dB for levels >-110 dBm (Typical better than 0.6 dB) 1.5 dB for levels ≤-110 dBm (Typical better than 1.0 dB) | |
| Residual | FM: <15 Hz (300 Hz to 3 kHz bandwidth) AM: <0.1% RMS (300 Hz to 3 kHz bandwidth) |
|
| Harmonics | <-25 dBc (Typically -30 dBc, RF level set at +10 dBm) | |
| Non-Harmonics | <-55 dBc (all freq. except Crossovers) <-35 dBc (Crossover freq. = 3411.4 MHz – Gen freq. |
|
| Phase Noise | <-93 dBc/Hz | |
