Dynon Radios LLC 310001-000 User Manual
SV-COM-425 User Manual
3
Audio Requirements:
Microphone: 150 Ohms nominal input impedance
70 mV RMS for 70% modulation
Maximum input 2.0 V peak to peak
Headphone:
150 Ohms nominal output impedance
150 mW output power into 150 Ohms
Short circuit protected.
Transmitter:
Class
4
Output Power
6 Watts minimum at 10.0 VDC
Duty cycle
20%
Frequency range
118.000 to 136.975 MHz
Audio Frequency response
200 to 3.0 KHz
Frequency tolerance
+/- 5 PPM from –20C t0 +60C
Modulation capability
85 % maximum
Audio distortion
< 10%
Carrier noise level
> 35 dB down
Side-tone level
up to 150 mW into 150 Ohms
Stuck microphone timeout
31 to 34 seconds
Antenna Requirements:
50 Ohms impedance, BNC connector
VSWR less than 2.5 : 1
Receiver:
Class
D
Frequency range
118.000 to 136.975 MHz
Audio Frequency response
150 to 3.0 KHz
Frequency tolerance
+/- 5 PPM from –20C t0 +60C
Selectivity
> 60 dB at +/- 25 KHz
Squelch
Automatic, -1
µ
V setpoint