For an all pass system \(H\left( z \right) = \;\frac{{{z^{ - 1}} - b}} – McqOptions

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1.	For an all pass system \(H\left( z \right) = \;\frac{{{z^{ - 1}} - b}}{{1 - a{z^{ - 1}}}}\) If Re(a)≠0, Im(a)≠0, then b equals.
A.	a
B.	a*
C.	1/a*
D.	1/a
Answer» C. 1/a*

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