Technical Manual

Technical Manual Installation and Operation
© SPECTRA ENGINEERING 2022 Revision 1.0.0
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5.3.3 Transmit
Measured in accordance with TIA/EIA-603 standards.
Parameter
Specification
RF Power Output:
1W to 50W or 100W (See model type)
Frequency Stability: > 300 MHz
< 300 MHz
1.0 PPM for –30 to 60C,
2.5PPM for –30 to 60C,
Audio response:
Flat within +1, -3 dB across bandwidth
Audio Bandwidth VF input:
300 Hz to 3000 Hz LPF
Modulation Distortion:
Less than 3% at 60% deviation.
S/N Ratio:
Better than 50 dB, wide band.
Better than 45 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 or 100W RF output with
thermally controlled fan.
RF Rise Time:
< 10 mS with continuous VCO selected.
< 100 mS with VCO in cold standby.
Table 5-3 Transmit Specifications