A carrier wave of amplitude 15 V is 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

Question

A carrier wave of amplitude 15 V is 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, 2, 3 2, 1, 5

MARKS App · Accepted Answer

The given data is A c = 15 V A m = 3 V Thus, the maximum amplitude and minimum amplitude is A m a x = A c + A m A m i n = A c - A m Hence, the ratio is A max A min = 15 + 3 15 - 3 = 18 12 = 3 2

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