Question

For an analog LTI system to be stable, where should the poles of system function H(s) lie?

(a) Right half of s-plane

(b) Left half of s-plane

(c) On the imaginary axis

(d) At origin

I have been asked this question in a national level competition.

I need to ask this question from Design of IIR Filters from Analog Filters topic in division Digital Filters Design of Digital Signal Processing

Answer 1

Correct option is (b) Left half of s-plane

Easiest explanation: An analog linear time invariant system with system function H(s) is stable if all its poles lie on the left half of the s-plane.