The duobinary filter, He (f) is called as(a) Sine filter(b) Cosine filter(c) Raised cosine filter(d) None of the mentionedI had been asked this question in a job interview.I need to ask this question from Correlative Coding topic in section Formatting and Baseband Modulation of Digital Communications

The duobinary filter, He (f) is called as(a) Sine filter(b) Cosine fil

1.	The duobinary filter, He (f) is called as(a) Sine filter(b) Cosine filter(c) Raised cosine filter(d) None of the mentionedI had been asked this question in a job interview.I need to ask this question from Correlative Coding topic in section Formatting and Baseband Modulation of Digital Communications
Answer» RIGHT choice is (b) Cosine filter For EXPLANATION I would SAY: The transfer FUNCTION is 2T cos(πfT) which is called as cosine filter.

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