automatic frequency control

noun

Definition of automatic frequency control

  1. :  a function of an electronic circuit that allows a radio transmitter or receiver to stay adjusted to a specific frequency (such as one used by a radio station) without manual control A five-inch dynamic speaker, backed by 700 megawatts of audio output power puts out a quality sound and automatic frequency control prevents FM signals from drifting. — Dale Baldwin, Los Angeles Times, 27 Jan. 1985

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1921

First Known Use of automatic frequency control

1921


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