Getting Acquainted
1–3
1.2 Amplifier Package Specifications
RF Power Output:
200 to 2200 watts continuous with controlled
power adjust, with remote controlled power
capability
RF Drive Requirement:
50-70 watts for full output
RF Output Impedance:
50 watts (unbalanced)
Maximum SWR:
1.7:1 (With power foldback at high SWR)
Frequency Range:
87–108 MHz
RF Harmonics/Spurious Products:
Better than –80 dB
Asynchronous AM S/N Ratio:
Better than 55 dB with 100% modulation @
400 Hz, no de-emphasis, no FM modulation
(typically > 60 dB)
Synchronous AM S/N Ratio:
Better than 55 dB with 100% modulation @
400 Hz, no de-emphasis, FM modula-
tion = 75 kHz @ 400 Hz (typically > 60 dB)
Operating Environment:
Temperature Range:
0°–50°C at sea level
Humidity Range:
0–80% at 20°C, noncondensing
AC Power:
240 volts AC +10/-15%, 50–60 Hz
Power Consumption:
2800 watts at 2000 watts RF output typical
Power Factor:
.96 typical
Overall Efficiency:
70% typical
RF Output Connector:
7/8 inch EIA flange, 7–16 inch DIN optional
Power Amplifier Chassis:
7 x 17.25 x 23 inches (17.78 x 43.82 x
58.42 cm) exclusive of rack ears, but
inclusive of connectors
Power Supply Chassis:
5.25 x 17.25 x 23 inches
(13.34 x 43.82 x 58.42 cm)
exclusive of rack ears
Weight:
PA2000—57.5 pounds (26.1 kg)
RF PA Modules —8 pounds (3.6 kg) each
PS2000—43 pounds (19.5 kg)
Note:
System performance is specified using Crown Broadcast
Model FM100 Exciter where applicable.
