- a person who tunes musical instruments: a piano tuner
- the part of a radio or TV receiver that detects signals; esp., a separate unit of a high-fidelity system
Used by arrangement with John Wiley & Sons, Inc.
- One that tunes: a piano tuner.
- A device for tuning, especially an electronic circuit or device used to select signals at a specific radio frequency for amplification and conversion to sound.
tuner - Computer Definition
An electronic circuit that locks on to a selected carrier frequency (station, channel). Found in every AM/FM radio, TV, cellphone and wireless receiver, the tuner filters out all but the desired frequency and passes it on to other stages in the device to extract the audio, video or data. See TV tuner.
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