Specifications

Technical Manual Installation and Operation
RELM/ BK RADIO
37
8.4.3 Transmit
Measured in accordance with TIA/EIA-603 standards.
Parameter Specification
RF Power Output: 1W to 50W
Frequency Stability: > 300 MHz
< 300 MHz
1.5PPM for –10 to 60C, 2.5PPM for –30 to –10C
2.5PPM for –10 to 60C, 5PPM for –30 to –10C.
Audio response: Flat within +1, -3 dB across bandwidth
Audio Bandwidth VF input: 300 Hz to 3000 Hz Bessel LPF
Modulation Distortion: Less than 3% at 60% deviation.
S/N Ratio: Better than 46 dB, wide band.
Better than 42 dB, narrow Band.
Spurii: Better than –90 dBc.
RF Switching Bandwidth Exciter: Full sub-band.
RF Switching Bandwidth PA: Full sub-band.
Duty Cycle: 100% for 50W RF output with thermally
controlled fan.
RF Rise Time: < 10 mS with continuous VCO selected.
< 200 mS with VCO in cold standby.
Table 8-6 Transmit Specifications