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What are the techniques used to make feedback system stable?

Explain and draw the frequency response of a 1-pole feedback amplifier.

In a 3-pole feedback amplifier the loop gain is given by:

t(f)=(Beta*100)/ ( (1+j*(f/10^4)) * (1+j*(f/10^5))^2 );

Determine the stability for Beta=.5 and .05. Sketch the Nyquist plot for both cases.

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The techniques required to make a feedback stable stable is discussed.

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