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 Œº sec
B.	20 Œº sec
C.	0.2 Œº sec
D.	1 Œº sec
Answer» C. 0.2 Œº sec

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