In a diode AM- detector, the output circuit consist of `R=1 k Omega` and `C=10 pF`. A carrier signal of `100 kHz` is to be detected. Is it good?

Options

A. Yes
B. No
C. Infromation is not sufficient
D. None of these

Answer

b

Explanation

For demodulion, `(1)/(f_(c))ltltRC`
`(1)/(f_(c))=(1)/(100xx10^(3))=10^(-5)S`
`RC =10^(3)xx10xx10^(-8)S`
We see that `(1)/(f_(c))` here is not less than RC as required by the above condition. Hence, this is not good.