Frequency Modulation

  • Steven A. Tretter
Part of the Applications of Communications Theory book series (ACTH)


Frequency modulation (FM) was invented and commercialized after amplitude modulation. Its main advantage is that it is more resistant to additive noise than AM. In addition to commercial radio, it is used as a component of television signals, for satellite and microwave communications, and for digital data transmission. In this experiment the basic theory of FM modulation and demodulation will be presented and you will implement two types of demodulators—the frequency discriminator and the phase-locked loop.


Carrier Frequency Instantaneous Frequency Modulation Index Loop Filter Frequency Modulation Signal 
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Copyright information

© Springer Science+Business Media New York 1995

Authors and Affiliations

  • Steven A. Tretter
    • 1
  1. 1.University of MarylandCollege ParkUSA

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