Question

a 100V carrier wave is made to vary between 160V and 40V by a modulating signal. what is the modulation index?

Answer 1

Answer:

Given:

Modulated voltage A

c

=100

Range of modulated voltage A

c

+A

m

=160

A

C

−A

m

=40

A

c

=100 and A

m

=40

Hence, modulation index

μ=

A

c

A

m

=0.6

Explanation:

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