FM Full Form in Radio | What is the Full Form of FM

FM Full Form - Frequency Modulation ( full form of fm )

  • Here, you’ll get the solution of following FM related questions : what is the full form of FM , full form of FM radio , what is full form of FM , Fm Full form in Radio
Frequency Modulation

Frequency Modulation

  • FM stands for Frequency Modulated electromagnetic radiation.
  • It's generally used for FM broadcasting and various other radio communication applications.
  • In Telecommunication, FM may be a technique of transmitting information using a carrier.
  • The frequency of the carrier is varied according to the amplitude and polarity of the input signal.
  • FM and AM both are used for radio broadcasting but FM is different from AM.
  • AM stands for Amplitude Modulated electromagnetic radiation.
  • AM is prone to interference because the amplitude of AM signals are often altered easily.
  • On the opposite hand FM is much less prone to interference because the amplitude of FM signals can't be altered easily.


  • The FM broadcasting technology was invented by Edwin Howard Armstrong.
  • It had been invented within the early 1930's.

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Benefits of FM broadcasting ( full form of fm )

  • FM is a smaller amount prone to noise because the FM signal's information is varied through frequency variation, not in amplitude variation.
  • The frequency range of FM radio is higher comparatively.
  • It ranges from 88 to 108 MHz or 1200 to 2400 bits per second.
  • FM produces better sound quality due to higher bandwidth.
  • FM is understood for its good audio quality so FM radio is additionally referred to as High Fidelity sets.
  • In FM broadcasting, it's possible to use non-linear RF amplifiers to amplify FM signals.
  • FM is resilient to signal-variation that creates it suitable for mobile applications where signal levels vary constantly.
  • In FM broadcasting, modulation are often applied to a low power stage of the transmitter.

Common Applications

FM Applications

FM Applications

FM Radio

  • FM radios use a modulation index (m>1) which is named wideband FM.

Television Sound

  • In terrestrial TV broadcasts, the video signal is transmitted through AM and sound signal is transmitted through FM.
  • It helps reduce interference between video and sound signals.

Satellite TV

  • A number of the TV transmissions use FM to broadcast an analogue video signal.
  • It helps obtain a suitable signal at the receiving end.

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