QuestenaPráctica que te muestra qué repasar después
BuscarCrear una prueba
Pregunta 399

What is a frequency discriminator?

  1. An FM generator circuit
  2. A circuit for filtering closely adjacent signals
  3. An automatic band-switching circuit
  4. A circuit for detecting FM signalsRespuesta correcta

Explicación

A frequency discriminator is an FM detector. Its tuned circuits convert deviation about the center frequency into a proportional output voltage, which is the recovered audio.

Continúa con este test

Empezar la práctica
Comprender este tema (≈7 min)Volver a la prueba
Pregunta 399: What is a frequency discriminator? · FCC Amateur Extra Class (Element 4) · Questena