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Вопрос 407

Which type of detector is used for demodulating SSB signals?

  1. Discriminator
  2. Phase detector
  3. Product detectorПравильный ответ
  4. Phase comparator

Объяснение

An SSB signal carries no carrier, so a locally generated carrier must be supplied to demodulate it. A product detector multiplies the incoming signal by that beat frequency oscillator output; the difference frequencies produced are the original audio.

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