Crown Low Power Transmitters - Crown Broadcast
Crown Low Power Transmitters - Crown Broadcast
Crown Low Power Transmitters - Crown Broadcast
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Appendix<br />
Transmitter Output Efficiency<br />
RF <strong>Power</strong> Output-FM 30<br />
PADC Volts PADC Amps RF <strong>Power</strong> Efficiency<br />
27.9 2.16 34 56<br />
26.2 2.09 32 58<br />
24.7 2.02 30 60<br />
22.5 1.91 26 60<br />
20.2 1.77 22 62<br />
17.0 1.56 17 64<br />
14.1 1.34 14 74<br />
12.6 1.22 10 65<br />
10.5 1.04 7 64<br />
8.8 .88 5 65<br />
6.6 .65 3 70<br />
5.4 .53 2 70<br />
<strong>Power</strong> measurements were made at 97.1 MHz. Voltage and current measurements<br />
were taken from the unit’s built-in metering. The accuracy of the<br />
internal metering is better than 2%. Return loss of the RF load was greater<br />
than –34 dB at test frequency .<br />
FM30/FM100/FM250 User's Manual<br />
Appendix–1
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