Heterodyne definition

hĕtər-ə-dīn
Having alternating currents of two different frequencies that are combined to produce two new frequencies, the sum and difference of the original frequencies, either of which may be used in radio or television receivers by proper tuning or filtering.
adjective
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To combine (a radio-frequency wave) with a locally generated wave of different frequency in order to produce a new frequency equal to the sum or difference of the two.
verb
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Designating or of the combination of two different radio frequencies to produce beats whose frequencies are equal to the sum or difference of the original frequencies.
adjective
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To combine two different frequencies so as to produce beats.
verb
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Of, two oscillations, having two slightly different frequencies such that, when combined, they produce a beat.
adjective
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The beat so produced.
noun
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Either the sum or difference of the two oscillations.
noun
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To produce heterodyne interference in a radio.
verb
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To change the frequency of a signal by such a process.
verb
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Origin of heterodyne

  • hetero– -dyne power, frequency (from Greek dunamis power dynamic)

    From American Heritage Dictionary of the English Language, 5th Edition

  • hetero- +‎ -dyne

    From Wiktionary