Consider the following transfer functions:
$$\eqalign{
& 1.\,\frac{1}{{j\omega + 1}} \cr
& 2.\,\frac{1}{{{{\left( {j\omega + 1} \right)}^2}}} \cr
& 3.\,\frac{1}{{\left( {j\omega + 1} \right)\left( {j\omega + 2} \right)}} \cr} $$
The transfer functions which have a non linear phase are:
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2 and 3
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Signal Processing
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