Consider the Amplitude Modulated (AM) signal Ac cosωct + 2 cos ωmt c – McqOptions

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1.	Consider the Amplitude Modulated (AM) signal Ac cosωct + 2 cos ωmt cosωct. For demodulating the signal using envelope detector, the minimum value of Ac should be
A.	2
B.	1
C.	0.5
D.	Zero
Answer» B. 1

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Consider the Amplitude Modulated (AM) signal Ac cosωct + 2 cos ωmt cosωct. For demodulating the signal using envelope detector, the minimum value of Ac should be