A closed-loop system with unity feedback has a loop transfer function L(s) = Gc(s)G(s) =
Chapter 0, Problem P9.24(choose chapter or problem)
A closed-loop system with unity feedback has a loop transfer function L(s) = Gc(s)G(s) = K(s + 20) (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.
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