5000sq.m. telephone amplifier HL-985
5000sq.m. telephone amplifier HL-985
HL-985 amplifier (ordinary) technique index
item | test condition | technique index | remark | |||
work frequency(MHz) | nominal frequency | 890915/935960MHz,890909/935954MHz,885909/930954MHz,890915/935960MHZ |
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work bandwidth(MHz) | nominal frequency | 25MHz |
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maximal plus(dB) | nominal output power -5dB | 60±3(up) | 70±3(0down |
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up output Pmax(dBm) | GSM modulate signal | 20,23 | 33 |
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auto signal level ALC (dBm) | input add 10dB | Po=Pmax±2 |
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noise modulus(dB) | in work band | ≤4 |
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transmit lag(us) | in work band | ≤5 |
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frequency errorppm | in work band
| ≤±0.05 |
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peak phase error° | in work band | ≤24.5 |
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RMS phase error° | in work band | ≤6.1 |
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fluctuate in band(dB) | nominal power output -5dB | ≤3 |
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band of adjust plus(dB) | nominal power output -5dB | ≥30 |
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linear of adjust plus(dB) | 10 dB | nominal power output -5dB | ±1.0 |
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20 dB | nominal power output -5dB | ±1.0 |
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30 dB | nominal power output -5dB | ±1.5 |
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intermodulation outcome(dBc) | in wok band | ≤-20,≤-25,≤-36,≤-45, |
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dispersion (dBm) | 9kHz-1GHz | BW:3KHz | ≤-36 |
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1GHz-12.75GHz | BW:3KHz | ≤-30 |
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selectivity
(dBc) | frequency | deviate frequency >1.0MHz | ≤-10 | band select | ||
deviate frequency ±1.5MHz | ≤-30 | |||||
deviate frequency ±2.0MHz | ≤-50 | |||||
remote cotrol | ≤-50 | |||||
deviate frequency >400KHZ | ≤-20 | High restrain band selector | ||||
deviate frequency > | ≤-45 | |||||
deviate frequency > | ≤-50 | |||||
remote cotrol | ≤-50 | |||||
voltage standing-wave ratio | BS port | ≤1.4 |
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MS port | ≤1.4 |
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