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The point at which the output signal power has fallen to 0.707 of its peak value is called as _____

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The point at which the output signal power has fallen to 0.707 of its peak value is called as _____

(a) 3db point

(b) Half power point

(c) 3db & Half power point

(d) None of the mentioned

I got this question in semester exam.

I would like to ask this question from Baseband Systems and Signal Transmission through Linear Systems topic in portion Signals and Spectra of Digital Communications

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Right choice is (c) 3db & Half power point

For explanation: The frequency at which the output signal power falls to half the peak value is called as half power point or 3db point.

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