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Frequency modulation


 

Frequency modulation (FM) is a form of modulation which represents information as variations in the instantaneous frequency of a carrier wave. (Contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its frequency remains constant.)

External links

  • http://www.rfcafe.com/references/electrical/frequency_modulation.htm
  • http://www.fas.org/man/dod-101/navy/docs/es310/FM.htm