A pulse shaping filter should satisfy two requirements. They are(a) Should be realizable(b) Should have proper roll off factor(c) Should be realizable & have proper roll off factor(d) None of the mentionedThis question was addressed to me in a job interview.Question is taken from Intersymbol Interference-1 in portion Baseband Demodulation and Detection of Digital Communications

A pulse shaping filter should satisfy two requirements. They are(a) Sh

1.	A pulse shaping filter should satisfy two requirements. They are(a) Should be realizable(b) Should have proper roll off factor(c) Should be realizable & have proper roll off factor(d) None of the mentionedThis question was addressed to me in a job interview.Question is taken from Intersymbol Interference-1 in portion Baseband Demodulation and Detection of Digital Communications
Answer» Correct choice is (c) Should be realizable & have proper ROLL off factor The BEST explanation: A PULSE shaping FILTER should provide the desired roll off and should be realizable, that is the impulse response needs to be truncated to a finite length.

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