Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 21 (Q.No. 4)
4.
Consider an AM system using a square law detector as shown in figure.
XC(t) = AC[1 + u x (t)] cos ωct, |ux(t)| << 1
The signal power at the output is :
XC(t) = AC[1 + u x (t)] cos ωct, |ux(t)| << 1
The signal power at the output is :
A2Cu2 E[x2(t)]
A2Cu2 E(x)
None
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