Physics · Network Synthesis
Which of the following is NOT a necessary condition for a function Z(s) to be a driving point impedance of a passive network?
- 1Z(s) must be a real rational function.
- 2Poles on the jω-axis must be simple with real and positive residues.
- 3All poles and zeros must lie in the left-half s-plane or on the jω-axis.
- 4Z(s) must have equal numbers of poles and zeros.✓
Correct answer
Z(s) must have equal numbers of poles and zeros.
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