The poles of a digital filter with linear phase response can lie – McqOptions

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1.	The poles of a digital filter with linear phase response can lie
A.	Only at z =0
B.	Only on the unit circle
C.	Only inside the unit circle but not at z =0
D.	On the left side of Real (z) =0 line
Answer» C. Only inside the unit circle but not at z =0

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