A carrier wave with amplitude of 250 V is amplitude modulated by a sinusoidal base band signal of amplitude 150 V . The ratio of minimum amplitude to maximum amplitude for the amplitude modulated wave is 50 : x , then value of x , is _ _ _ _ _ _ _ _ _ .

Question

A carrier wave with amplitude of 250 V is amplitude modulated by a sinusoidal base band signal of amplitude 150 V . The ratio of minimum amplitude to maximum amplitude for the amplitude modulated wave is 50 : x , then value of x , is _ _ _ _ _ _ _ _ _ .,

MARKS App · Accepted Answer

The value of maximum amplitude, A max = A c + A m = 250 + 150 V = 400 V , and the value of minimum amplitude, A min = A c - A m = 250 - 150 V = 100 V ⇒ A min A max = 100 V 400 V = 1 4 = 50 200 ⇒ x = 200 V

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