Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 1 (Q.No. 14)
14.
Consider the amplitude modulated (AM) signal Ac cos ωct + 2 cos ωmt cos ωct For demodulating the signal using envelope detector, the minimum value of Ac should be
Answer: Option
Explanation:
AC cos ωct + 2 cos ωmt cos ωct
AC cosωct
for envelope detection μ < 1 ⇒ 
< 1 ⇒ Ac should be at least-2.
Discussion:
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