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General Electric l
Duplex Executive Combination
Specifications
General
RF Power Output: 20 watts
PA Power Input: 45 watts
Battery Drain @ 13.8 VDC:
Rx Standby 0.25 amps
Rx Full Audio 1.0 amps
Rx Standby, Tx Filaments 1.5 amps
Transmit Less than 10.0 amps
Nominal Operating Voltage: 12 VDC, negative ground
Mounting: Available for trunk mounting only
Operating Temperature
Range: —30°C to +60°C (—22°F to +140OF)
Voltage Regulation: Electronically controlled
Metering: Centralized metering sockets (transmitter and receiver) accommodate the
General Electric TM-11 Test Set, or a single 0-3 VDC, 20,000 Ohms/Volt-
meter may be used.
1 to 7 Channel Operation: For operation on RCC channels 1, 3, 5, 7, 9, 11 and 13
Receiver Transmitter
Duty Cycle: 100% FCC Filing Number ET-74-A, applicable to part
number 21
RF Input Impedance: 50 ohms
Duty Cycle: 15 minutes transmit,
Channel Spacing: 30 kHz
5 minutes standby
Sensitivity: 20 watts
EIA 12 dB SINAD 0.35 uv RF Power Output:
20 dB Quieting 0.50 uv RF Power Impedance: 50 ohms
Noise Squelch 6dB SINAD
Spurious and Harmonic
Selectivity: —75 dB Emission: -70 dB
Frequency Stability: + 0.001% from -30OC to +6000, Modulation Deviation: Oto—5 kHz (16F )
+25°C reference Frequency Stability: + 0.0005% from -30OC to +60°C,
Modulation Acceptance: ±7 kHz +25°C reference
Intermodulation: -60 dB FM Noise: -50 dB
Spurious and Image Audio Response: Within +1 and —3 dB of 6 dB/
Rejection: -90 dB octave pre-emphasis, 300 to
3000 Hz
Audio Response: Within +1 and —8 dB of 6 dB/
octave de-emphasis, 300 to Audio Distortion: Less than 5%
3000 Hz
Telephone-type Control
Audio Output: Unit Carbon Handset
GE Control Units 2 watts at less than 6% Sensitivity: Less than 150 uv for 2/3 system
distortion deviation
GENERAL ELECTRIC
MOBILE RADIO DEPARTMENT
Lynchburg, Virginia 24502 Cable GECOMPROD
ECR-1482 3/69 PRINTED IN U.S.A.