Determine the phase margin

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Reference no: EM131099592

In the three-stage amplifier of Fig. 12.124, (W/L)1-7 = 20 μm/ 0.18 μm.

(a) Determine the phase margin.

(b) Place a capacitor between nodes X and Y so as to obtain a phase margin of 60°. What is the unity-gain bandwidth under this condition?

(c) Repeat (b) if the compensation capacitor is tied between X and ground and compare the results.

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