Question

How to find proportional controller with the help of gain margin and phase margin?

Answer 1

Phase margin is the amount of phase shift when the (VFB) amplifier's gain passes through 0dB. ... If we know the phase margin, we can estimate the damping ratio by ζ ≅ ϕm/ 100

Answer 2

$\boxed{Explained\:Answer}$

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Phase margin is the amount of phase shift when the (VFB) amplifier's gain passes through 0dB.

If we know the phase margin, we can estimate the damping ratio by ζ ≅ ϕm/ 100.