Note
QST, Nov 1970, p. 133.
QST, Jan 1971, p. 162.
Made for Drake in Japan.
Specifications
– Frequency Coverage: 144-148 MHz
– Number of Channels: 12 Channels, 2 supplied
– Channel 1: Receive 146.94 MHz / Transmit 146.34 MHz
– Channel 2: Simplex 146.94 MHz
– Modulation: FM
– Transmitter Control: Push-to-Talk
– RF Output Power: 10 Watts
– Frequency Deviation: 15 kHz maximum
– Frequency Stability: +–001% or better
– Spurious Radiation: Greater than -80 dB below Carrier
– Frequency Multiplication: 12
– Receiver Circuit: Crystal-controlled Double Conversion Superheterodyne
– Intermediate Frequencies: 1st 10.7 MHz, 2nd 455 kHz
– Input Impedance: 50 to 75 Ohms
– Sensitivity:
0.5 uV or less for 20 dB S+N/N ratio
1 uV or less (30 dB S+N/N ratio at 10 kHz deviation with 1 kHz modulation)
– Intermodulation: Greater than 80 dB
– Spurious Sensitivity: At 40 kHz separation
– Audio Output: Greater than -80 dB 0.5 Watt with 10% or less distortion
Power Requirements:
AC: 117 Volts Factory Wired, 220/240 Volts 50-60 Hz, receive 6 watts, transmit 50 watts
DC: 13.5 Volts ±10%, receive 0.5 amps, transmit 4 amps