Suppose that the modulating signal is m(t) = 2cos (2pfmt) and the carr – McqOptions

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1.	Suppose that the modulating signal is m(t) = 2cos (2pfmt) and the carrier signal is xC(t) = AC cos(2pfct), which one of the following is a conventional AM signal without over modulation?
A.	x(t) = Acm(t)cos(2pfct)
B.	x(t) = Ac [1 + m(t)]cos (2pfct)
C.
Answer» D.

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