Dynascan DB-59, Инструкция по эксплуатации

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English - 17 -
19.- TECHNICAL SPECIFICATIONS:
GENERAL
Frequency range 144 – 146 MHz (VHF), 430 – 440 MHz (UHF)
65 – 108 MHz (FM radio)
Channel separation 25 kHz (wide band), 12.5 kHz (narrow band)
Channels number 400
Power supply 7.4 V Li-Ion battery pack
Modulation FM
Frequency stability ±2.5 ppm
Operating temperature -10 ºC ~ +55 ºC
RECEIVER
Wide band Narrow band
Sensibility (12 dB SINAD)
≤
0.25 µV
≤
0.35 µV
Adjacent channel selectivity
≥
70 dB
≥
60 dB
Audio response +1 ~ -3 dB (0.3 ~ 3 kHz) +1 ~ -3 dB (0.3 ~ 2.55 kHz)
TRANSMITTER
Wide band Narrow band
Transmission output power
(max.)
10 W (VHF)
8 W (UHF)
Modulation type 16K0F3E 11K0F3E
Adjacent channel power
≥
70 dB
≥
60 dB
Spurious emission ≥ 60 dB ≥ 60 dB
Audio response +1 ~ -3 dB (0.3 ~ 3 kHz) +1 ~ -3 dB (0.3 ~ 2.55 kHz)