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  • A carrier wave of amplitude 15 V modulated by a sinusoidal base band signal of amplitude 3 V. The ratio of maximum amplitude to minimum amplitude in an amplitude modulated wave is<div class='qn

A carrier wave of amplitude 15 V modulated by a sinusoidal base band signal of amplitude 3 V. The ratio of maximum amplitude to minimum amplitude in an amplitude modulated wave is

Option: 1

2


Option: 2

1


Option: 3

5


Option: 4

\frac{3}{2}


Answers (1)

best_answer

\begin{aligned} & V_C=15 \\ & \mathrm{~V}_{\mathrm{m}}=3 \\ & V_{\text {max }}=15+3=18 \\ & \mathrm{Vmin}=15-3=12 \\ & \mathrm{Vmax}=\frac{18}{12}=\frac{3}{2}=3: 2 \\ & \end{aligned}

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