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Question: A modulating signal is a square wave as shown in figure. The carrier wave is given by *c*(*t*) = 2si...

A modulating signal is a square wave as shown in figure. The carrier wave is given by c(t) = 2sin(8π\pit) volt. What is the modulation index?

A

0.2

B

0.3

C

0.4

D

0.5

Answer

0.5

Explanation

Solution

: Here Am=1V,Ac=2VA_{m} = 1V,A_{c} = 2V

Modulation index μ=AmAc=12=0.5\mu = \frac{A_{m}}{A_{c}} = \frac{1}{2} = 0.5