Transmitter/Exciter Specifications - Crown FM30 User Manual

1.3 Transmitter/Exciter Specifications

Frequency Range
RF Power Output
FM30
FM150
FM300
RF Output Impedance
Frequency Stability
Audio Input Impedance
Audio Input Level
Pre-emphasis
Audio Response
Complete Transmitter
Exciter only
Distortion (THD + Noise)
Complete Transmitter
Exciter only
Stereo Separation
Complete Transmitter
Exciter only
Crosstalk
Stereo Pilot
Getting Acquainted
87.9 MHz–107.9 MHz (76 MHz–90 MHz
optionally available)
(VSWR 1.7:1 or better)
3-33 Watts adjustable
15-165 Watts adjustable
30-330 Watts adjustable
50 Ohms
Meets FCC specifications from 0-50
degrees C
50k Ω bridging, balanced, or 600 Ω
Selectable for –10 dBm to +10 dBm for
75 kHz deviation at 400 Hz
Selectable for 25, 50, or 75 µsec; or flat
Conforms to 75 µsec pre-emphasis
curve as follows:
±0.30 dB (50 Hz–10 kHz)
±1.0 dB (10 kHz–15 kHz)
±0.25 dB (50 Hz–15 kHz)
Less than 0.7% (at 15kHz)
Less than 0.3% (50Hz-15kHz)
Better than –40dB (50Hz-15kHz)
Better than –40dB (50Hz-15kHz)
Main into Sub, better than –40dB
Sub into Main, better than –40dB
19 kHz ±2 Hz, 9% modulation
1-7