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(Telecommunications) a radio receiver that combines two radio-frequency signals by heterodyne action, to produce a signal above the audible frequency limit. This signal is amplified and demodulated to give the desired audio-frequency signal. Sometimes shortened to: superhet
[C20: from super(sonic) + heterodyne]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||superheterodyne receiver - a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified|
heterodyne oscillator, local oscillator - an oscillator whose output heterodynes with the incoming radio signal to produce sum and difference tones
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