Advantages, disadvantages and applications of frequency division multiplexing (FDM)


There are some advantages of frequency division multiplexing(FDM) which are given below,

  • It does not need synchronization between its transmitter and receiver.
  • Frequency division multiplexing (FDM) is simpler and easy demodulation.
  • Due to slow narrow band fading only one channel gets affected.
  • It is used for analog signals.
  • A large number of signals (channels) can be transmitted simultaneously.


There are some disadvantages of frequency division multiplexing (FDM) which are given below,

  • It is suffers problem of cross-talk.
  • It is used only when a few low speed channels are desired.
  • Intermodulation distortion takes place.


  • It is used to public telephones and in cable TV systems.
  • It is used in broad casting.
  • It is used in AM and FM broadcasting.

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