automatic frequency control


: 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

Word History

First Known Use

1921, in the meaning defined above

Time Traveler
The first known use of automatic frequency control was in 1921

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Dictionary Entries Near automatic frequency control

Cite this Entry

“Automatic frequency control.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2023.

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