User's Manual

© RF Technology 2007
2.5.3 Electronic Specifications:
2.5.3.1 Overall
Frequency Range: 150MHz to 174MHz
Channel spacing: 12.5kHz / 25kHz
External reference: 5MHz / 10MHz/ 12.8MHz
Monitor speaker output: 3 watts @ 8 ohm
Microphone input: 6 mV RMS @200 ohm
Duty cycle: 100%
Power Supply: +13.8VDC +/-10% (Negative Ground)
Current Drain: 2A Max with 5 Watt TX output power
750mA Max with TX OFF
Operating temperature: -30°C to +60°C
2.5.3.2 Receiver
Frequency Spread: 24MHz
Frequency Stability: +/-1ppm (-30°C to +60°C)
Frequency Step: 1Hz
First IF frequency: 45 MHz
Second IF frequency: 0 Hz
Sensitivity: 12dB SINAD @ -119dBm (0.25uV) RF Input
Selectivity: 80dB for 25kHz Channel spacing
75dB for 12.5kHz Channel spacing
Spurious Rejection: 90dB
Intermodulation: 85dB
Modulation acceptance: 7.5kHz for 25kHz Channel spacing
3.75 kHz for 12.5kHz Channel spacing
Noise squelch: Adjustable from 0 to 26 dB SINAD
Carrier squelch: Adjustable from –120dbm to –60dBm
Audio Response: 300Hz to 3000Hz
+1/-3dB, Flat or 6dB per Octave de-emphasis
Audio Distortion: < 3%
Line output level: -20dbm to +10dbm @600ohm
2.5.3.3 Exciter
Frequency Spread: 24MHz
Frequency Stability: +/-1ppm (-30°C to +60°C)
Frequency Step: 1Hz
Maximum deviation: 5kHz for 25kHz Channel spacing
2.5kHz for 12.5kHz Channel spacing
Output power: 0.3 Watt to 5 Watt programmable
Spurious & harmonics: -36dbm
Hum & Noise: -55dB for 25kHz Channel spacing
-49dB for 12.5 kHz Channel spacing
Audio Response: 300Hz to 3000Hz
+1/-3dB, Flat or 6dB per Octave de-emphasis
Audio Distortion: < 3%
Line input level: -20dbm to +10dbm @600ohm