Automatic frequency control (AFC)

Automatic frequency control (AFC)

A circuit used to keep a superheterodyne receiver tuned accurately to a given frequency by controlling its local oscillator, as in an FM receiver.

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Industry/Domain: Consumer electronics
Category: Television
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Related terms

automatic frequency control (AFC)

Engineering; Electronic engineering

A system that keeps a circuit automatically tuned to a desired signal frequency. A detector (such as a discriminator) operated from the tuned circuit delivers a dc output voltage ...

automatic frequency control (AFC)

Telecommunications; General telecom

A device or circuit that maintains the frequency of an oscillator within the specified limits with respect to a reference frequency.

automatic frequency control (AFC)

Consumer electronics; Television

A circuit used to keep a superheterodyne receiver tuned accurately to a given frequency by controlling its local oscillator, as in an FM receiver.

automatic frequency control (AFC)

Aerospace; Satellites

A circuit which automatically controls the frequency of a signal.

automatic frequency control (AFC)

Science; General science

The automatic control of the intermediate frequency in a radio, television, or radar receiver, to correct for variations of the frequency of the transmitted carrier or the local ...

automatic frequency control (AFC)

Entertainment; Video

Automatic frequency control. Commonly used to lock onto and track a desired frequency.

sony internet tv

Consumer electronics; Television

The first TV to use the Google platform, the Sony Internet TV allows users to watch TV and surf the web at the same time.

Sony Internet TV

Consumer electronics; Television

The world’s first TV using the Google platform, this TV allows users to watch TV while searching the internet on the same screen.

bandpass filter

Consumer electronics; Television

A device that passes a range of frequencies while blocking frequencies outside that range.

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Consumer electronics; Television

A term used to denote the ability to adjust the lens angle of view to change the perceived distance to the subject matter.

yagi

Consumer electronics; Television

A directional antenna commonly composed of a dipole, a parasitic reflector, and one or more parasitic directors.

white clipper

Consumer electronics; Television

A video circuit designed to prevent excessive video levels from generating interference on the audio portion of the television signal.

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