Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 7 (Q.No. 41)
41.
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
500 μ sec
20 μ sec
0.2 μ sec
1 μ sec
Answer: Option
Explanation:

In envelope detector, for proper detection

10-6 ≤ RC ≤ 250 μ sec.

Only 20 m sec satisfies the condition.

Discussion:
4 comments Page 1 of 1.

ArpanRay said:   5 years ago
Can you give the clear explanation of the answer?

Sravan said:   4 years ago
Please provide a clear explanation for this.

MOHI YUVA said:   5 years ago
Please give the clear explanation.

Shalini said:   3 years ago
Anyone, Give a clear explanation.

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