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Frage 232

What is the ratio of PEP to average power for an unmodulated carrier?

  1. 0.707
  2. 1.00Richtige Antwort
  3. 1.414
  4. 2.00

Erklärung

An unmodulated carrier has constant amplitude, so its envelope never rises above its steady level and its peak envelope power is exactly its average power, a ratio of 1.00. Ratios such as 1.414 come from peak-to-RMS voltage relationships, which are not what PEP compares.

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Frage 232: What is the ratio of PEP to average power for an… · FCC General Class (Element 3) · Questena