Note
QST, Feb 1971, p. 107.
FM-2XA
QST, Jan 1973, p. 109. (probably earlier than this)
QST, Feb 1975, p. 109.
General
Frequency coverage 144-148 MHz.
Number of channels: 12.
Crystals installed for 3 channels as follows:
Channel 1: transmit and recelve 146.94 MHz;
Channel 2: transmlt 146.34, receive 146.94 MHz;
Channel 3: transmit 146.34, recelve 146.76 MHz.
Modulation: frequency modulation (phase type).
Transmitter control: push to talk on microphone.
Power source: 117 VAC 50-60 Hz. 13.5 VDC nominal
Transmitter
Fully solid state.
RF bower output: 10 watts nominal
Frequency deviation adjustable ±15 kc; factory adusted to approximately ±5 kHz.
Frequency stability: ±0.001%.
Spurious radiation : –60 db below carrier.
Frequency multiplication: 12 times.
Receiver
Circuitry: crystal controlled double conversion superheterodyne
Input impedance: 50–75 ohms.
Intermediate frequencies: 10.7 Mhz and 455 kHz.
Sensitivity :0.5 uV for 20 db quieting, 0.5 uV for 12 db SINAD.
Intermodulation: more than 50 db down.
Audio output: 1 watt to internal speaker