F.M., A.M. and S.S.B. transmitters

Explanation of question 3

The ratio for a frequency-modulated wave is known as the

  1. modulation index
  2. modulation depth
  3. deviation ratio
  4. bandwidth

The answer is :- 3 The deviation ratio is that particular value of modulation index when the frequency deviation and the modulating frequency are both at their maximum values. i.e.


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