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5000sq.m. telephone amplifier HL-985
5000sq.m. telephone amplifier HL-985

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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

 

work bandwidth(MHz)

nominal frequency

25MHz

 

maximal plus(dB)

nominal output power -5dB

60±3(up)

70±3(0down

 

 

 up output Pmax(dBm)

GSM modulate signal

20,23

33

 

 

auto signal level ALC (dBm)

input add 10dB

Po=Pmax±2

 

noise modulus(dB)

in work band

≤4

 

transmit lag(us)

in work band

≤5

 

frequency errorppm

in work band

 

≤±0.05

 

peak phase error°

in work band

≤24.5

 

RMS phase error°

in work band

≤6.1

 

fluctuate in band(dB)

nominal power output  -5dB

≤3

 

band of adjust plus(dB)

nominal power output -5dB

≥30

 

linear of adjust plus(dB)

10 dB

nominal power output -5dB

±1.0

 

20 dB

nominal power output -5dB

±1.0

 

30 dB

nominal power output -5dB

±1.5

 

intermodulation outcome(dBc)

in wok band

≤-20,≤-25,≤-36,≤-45,

 

dispersion

(dBm)

9kHz-1GHz

BW:3KHz

≤-36

 

1GHz-12.75GHz

BW:3KHz

≤-30

 

 

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

 

MS port

≤1.4

 

 

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