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1. |
Consider the following transfer functions:1. \(\frac{1}{{j\omega + 1}}\)2. \(\frac{1}{{{{\left( {j\omega + 1} \right)}^2}}}\) 3. \(\frac{1}{{\left( {j\omega + 1} \right)\left( {j\omega + 2} \right)}}\) The transfer functions which have a linear phase are: |
A. | 1 and 2 only |
B. | 1 and 3 only |
C. | 2 and 3 only |
D. | 1, 2 and 3 |
Answer» E. | |