Technisonic Industries Limited TFM-138, Инструкция по установке и эксплуатации

Страница: 11 / 44

1-3
1.5 TECHNICAL CHARACTERISTICS (continued)
MAIN RECEIVER
Sensitivity at 12 dB SINAD Better than 0.35 µV
Adjacent Channel Selectivity -70 dB (25 or 12.5 kHz)
Spurious Attenuation -90 dB
Third Order Intermodulation -70 dB
Image Attenuation -80 dB
FM Acceptance ± 6 kHz
Hum and Noise Better than 50 dB
Audio Distortion less than 5%
Antenna Conducted Emission less than -70 dBm
GUARD RECEIVER
All specifications identical to main receiver
TRANSMITTER
RF Power Output 1 watt or 10 watts
Output Impedance 50 ohms
Maximum Deviation ±5 kHz (25 kHz mode)
(In narrowband mode) ±2.5 kHz(12.5kHz mode)
Spurious Attenuation -90 dB below carrier level
Frequency Stability ± 0.0005%
Microphone Circuit Carbon or equivalent
Sidetone Output 0.5W (max) into 600 S
Harmonic Attenuation -65 dB below carrier level
FM Hum And Noise -40 dB
Audio Input 50 mV at 2.5 kHz into
200
S
input circuit for
±3.5kHz deviation, adjst.
Audio Distortion Less than 5%