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Q2: We want to find the voltage gain of the following circuit. INCLUDE channel length modulation. a) This a differential circuit. So Vini and Vin2 are differential inputs and Vout is differential output. Draw the half circuit for half circuit analysis. Label the types of transistors and their sources and drains in your half circuit. b) Find RN. c) Find RP. But you cannot use the equations (if any) we learned in the class directly as the approximation doesn't work anymore. Use small signal model and solve KCL/KVL to find RP. So first draw the small signal model for RP and then apply test voltage to find RP. d) Write the final express for the differential voltage gain of the full circuit. VOD Mg My V63 162 M7 PMOS Vb Vn M5 M-1A IN M т Vout M IV RN ILMS NMOS 1977> m2 Voir 半 vbi Vini HEM NIMOS NMOS 1a virtual ground 6 MI 一 Vintama M2 Vina + 1$s