A closed loop system with unity feedback has a loop transfer function (a) Determine the gain K so that the phase margin is 45 deg (b) For the gain K selected in part (a), determine the gain margin, (c) Predict the bandwidth of the closed loop system K(s 20) L(s) G,(s)G(s)

Question: A closed-loop system with unity feedback has a loop transfer function (a) Determine the gain K so that the phase margin is 45°. (b) For

A closed-loop system with unity feedback has a loop transfer function

(a) Determine the gain K so that the phase margin is 45°.
(b) For the gain K selected in part (a), determine the gain margin, (c) Predict the bandwidth of the closed-loop system.

K(s + 20) L(s)-G,(s)G(s)-

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