Crown Broadcast FM 20/100 W, user manual– 05/2013
Page 15
Crown Broadcast, a division of International Radio & Electronics Corporation 25166 Leer Drive, Elkhart, Indiana, 46514-5425 USA
Ph +1 (574) 262 8900
3. TECHNICAL SPECIFICATIONS
3.1. RF
section
Frequency range
87.5 to 108 MHz
Summary of different steps
10 kHz
Frequency stability
< 10
-6
per year
Power range
0-20 W or 0-100 W @ ROS=1.35
Power output
Continuously 0-20 W or 0-100 W
Spurious and harmonic suppression
> 75 dBc
10 MHz input recommended range
-10 dBm to +10 dBm
3.2. Composite
operation
Bandwidth
> 40 Hz to 53 kHz @ 0.1 dB
> 20 Hz to 60 kHz @ 0.2 dB
> 60 kHz to 80 kHz @ 0.4 dB
Intermodulation distortion
< 0.05%
FM S/N ratio
> 80 dB RMS @ 75 kHz deviation
AM noise
< 0.1% (50 dB) RMS (20-20 000 Hz)
3.3. Stereo
operation
Bandwidth
> 20 Hz to 15 kHz @ 0.1 dB
38 kHz discontinuance
> 50 dB
Stereophonic crosstalk
> 50 dB
Pre-emphasis
0 µs, 50 µs or 75 µs
3.4. Mono
operation
Bandwidth
> 40 Hz to 15 kHz @ 0.1 dB
Out of band rejection
> 40 dB @ 19 kHz
Pre-emphasis
0 µs, 50 µs or 75 µs