Percentage modulation in FM signal

Q.  The ratio of actual frequency deviation to the maximum allowable frequency deviation is called
- Published on 14 Oct 15

a. Multi tone modulation
b. Percentage modulation
c. Phase deviation
d. Modulation index

ANSWER: Percentage modulation
 
Percentage modulation in Frequency Modulation is the ratio of actual frequency deviation in the FM wave to the maximum allowable frequency deviation.

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