intermediate frequency


noun Radio.

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

Origin of intermediate frequency

First recorded in 1920–25
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British Dictionary definitions for intermediate frequency

intermediate frequency


noun

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