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Q#1
Analog Communication
GATE EC 2004
MCQ
+1 mark
-0.33 marks
An AM signal is detected using an envelope detector. The carrier frequency and modulating signal frequency are 1 KHz and 2 KHz respectively. An appropriate value for the time constant of the envelope detector is
500μsec
20μsec
0.2μsec
1μsec
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