1.

What is the general formula that represent the phase of the poles of transfer function of normalized low pass Butterworth filter of order N?

A. ( frac{ }{N} k+ frac{ }{2N} ) k=0,1,2 N-1
B. ( frac{ }{N} k+ frac{ }{2N}+ frac{ }{2} ) k=0,1,2 2N-1
C. ( frac{ }{N} k+ frac{ }{2N}+ frac{ }{2} ) k=0,1,2 N-1
D. ( frac{ }{N} k+ frac{ }{2N} ) k=0,1,2 2N-1
Answer» E.


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