Sedra Chapter 11 *11.39 Figure P11.39 shows a series-shunt amplifier in which the three MOSFETs are sized to operate at Vori - 0.2 V. Let V = 0.5 V and V-10 V. The current sources utilize single transistors and thus have output resistances equal toro VDD = 1.8 V = 4, 0.1 mA G₂ Q2 Qs ₂ = 0.1 mA R₁₂ ww -0.1 mA 18 ΚΩ R₁ Voc 0.9 V 2 ΚΩ R Figure P11.39 (a) Show that the feedback is negative. (b) Assuming the loop gain to be large, what do you expect the closed-loop voltage gain VV, to be approximately? (c) If V, has a zero de component, find the de voltages at nodes S₁. G2, S3, and G3. Verify that each of the current sources has the minimum required de voltage across it for proper operation. (d) Find the A circuit. Calculate the gain of each of the three stages and the overall voltage gain, A. (e) Find B. (f) Find A-VoV. By what percentage does this value differ from the approximate value obtained in (b)? (g) Find the output resistance Rout

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