Electronis Discussion
0 votes

For an all-pass system $H(z)= \frac{(z^{-1}-b)}{(1-az^{-1})}$, where $\mid H(e^{-j\omega }) \mid= 1,$ for all $\omega$. If $\text{Re}(a)\neq 0, \: \text{Im}(a)\neq 0,$then $b$ equals

  1. $a$
  2. $a^{*}$
  3. $1/a^{*}$
  4. $1/a$
in Others by (15.7k points)
retagged by

Please log in or register to answer this question.

Answer:
Welcome to GO Electronics, where you can ask questions and receive answers from other members of the community.
1,109 questions
59 answers
8 comments
43,383 users