0 votes 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 $a$ $a^{*}$ $1/a^{*}$ $1/a$ Network Solution Methods gate2014-ec-3 continuous-time-signals + – Milicevic3306 asked Mar 26, 2018 • retagged Feb 26, 2021 by Lakshman Bhaiya Milicevic3306 16.0k points 146 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.