GeneralG5B13
What is the output PEP of an unmodulated carrier if the average power is 1060 watts?
B
Answer
Electrical principles
Type
A
530 watts
B
1060 watts
C
1500 watts
D
2120 watts
Answer Notes
Peak Envelope Power (PEP) is defined as the average power supplied to the antenna transmission line by a transmitter during one radio frequency cycle at the crest of the modulation envelope.
For a constant, unmodulated carrier (such as a dead carrier in AM/FM or a steady, unkeyed CW signal), the amplitude never fluctuates. Because there are no peaks or valleys in the modulation envelope, the peak amplitude is exactly the same as the continuous amplitude.
Therefore, the "peak" envelope power of an unmodulated carrier is always identical to its continuous average power. If the average power is 1060 watts, the PEP is also 1060 watts.
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What is the output PEP of 500 volts peak-to-peak across a 50-ohm load?