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(Electronics) electronics the oscillator in a superheterodyne receiver whose output frequency is mixed with the incoming modulated radio-frequency carrier signal to produce the required intermediate frequency
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|Noun||1.||local oscillator - an oscillator whose output heterodynes with the incoming radio signal to produce sum and difference tones|
heterodyne receiver, superhet, 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
oscillator - generator that produces sonic oscillations or alternating current
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