User's Manual

2.3 RECEIVER
Operating Bandwidth Up to span of the sub-band
Sensitivity (12 dB SINAD @ 1 kHz w de-emphasis) 0.25 uV (-119.0 dBm)
RF Input Impedance 50 ohms nominal
Adjacent Channel Selectivity
+/-6.25 kHz w very narrow IF 45 dB min.
+/- 12.5 kHz w narrow IF 60 dB min.
Spurious and Image Rejection
IF/2 60 dB min.
Image & other 70 dB min.
Intermodulation Rejection 68 dB min.
FM Hum and Noise
Very narrow channel (5/6.25/7.5 kHz) operation 40 dB min.
Narrow channel (12.5/15 kHz) operation 45 dB min.
Conducted Spurious -57 dBm max.
Receive Attack Time (transmit to receive) 10 ms max.
Carrier Detect Attack Time 5 ms max.
Audio Distortion 5 % max.
Audio Response (+1/-3 dB, ref 1 kHz)
Narrowband versions:
w de-emphasis 400 Hz to 2500 Hz
w/o de-emphasis 100 Hz to 3500 Hz
Very narrowband versions:
w/o de-emphasis 100 Hz to 1500 Hz
Receive Current Drain Depends upon supply voltage options (see
chart elsewhere in manual).
AUX OUT Adjustment Range (60 % rated dev.)
w de-emphasis (@ 1 kHz) 50 to 500 mV rms open circuit
w/o de-emphasis (@1 kHz) 250 to 1800 mV rms open circuit