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Հարց 435

What is a microphonic?

  1. An IC used for amplifying microphone signals
  2. Distortion caused by RF pickup on the microphone cable
  3. Changes in oscillator frequency caused by mechanical vibrationՃիշտ պատասխան
  4. Excess loading of the microphone by an oscillator

Բացատրություն

A microphonic is a change in circuit behavior produced by mechanical vibration or shock. In an oscillator, vibration moves component parts slightly, varying capacitance or inductance and shifting the output frequency, which is heard as a warble or thump.

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Հարց 435: What is a microphonic? · FCC Amateur Extra Class (Element 4) · Questena