An AM signal is detected using an envelope detector, the carrier frequ – McqOptions

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1.	An AM signal is detected using an envelope detector, the carrier frequency and modulating signal frequency are 1 MHz and 2 kHz respectively. An appropriate value for the time constant of the envelope detector is
A.	500 sec
B.	20 sec
C.	0.2 sec
D.	1 sec
Answer» C. 0.2 sec

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