Consider the amplitude modulated (AM) signal Ac cos œâct + 2 cos œ� – McqOptions

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1.	Consider the amplitude modulated (AM) signal Ac cos œâct + 2 cos œâmt cos œâct For demodulating the signal using envelope detector, the minimum value of Ac should be
A.	2
B.	1
C.	0.5
D.	0
Answer» B. 1

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