51Թ

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View synonyms for

intermediate frequency

noun

Radio.
  1. the middle frequency in a superheterodyne receiver, at which most of the amplification takes place. : if

intermediate frequency

noun

  1. electronics the frequency to which the signal carrier frequency is changed in a superheterodyne receiver and at which most of the amplification takes place
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of intermediate frequency1

First recorded in 1920–25
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Example Sentences

Examples have not been reviewed.

We provide a local oscillator of 270,000 cycles a second, receive by this “super-heterodyne” method which I have just described, and so obtain an intermediate frequency.

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