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什么频率？功率？ 有意思预定一套
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设备指标：（转自原作者网站）
receiver blu simple change of frequency (fi 4,9152 mhz):
- sensitivity < 0,8 µv
- selectivity 800 hz with 4 khz, by filter of the 8th order, programmable.
- ip3 with +5dbm (signals separated by 20 khz)
- rejection frequency image > 50 db
- attenuator commutable and adjustable hf of - 3 with - 36 db
- dynamics cag 65 db (total + of 80 db)
- power bf 2,5 watts out of 8 ohms
synthetizer:
- cover 2, 085 to 2,385 mhz (7,000 to 7,300 mhz)
- not of 10 - 1 - 0,1 khz
- laughs (split) on all the cover (not of 100 hz)
- memorizing shift in frequency according to centre frequency of the quartz
filters
- memorizing frequency and modes with the extinction
transmitter blu:
- power hf 4 to 5 watts effective out of 50 ohms
- harmonics suppression > 45db (h2) and > 55db (h3)
- imd (2 tone) > 20db
- adjustable compression ratio from 1/1 to 12/1
- residual carrying rejection > 35db
consumption under 13,8 volts:
- reception 150 my on average
- emission 1000 my maximum
