10.52. Calculate the differential voltage gain of the circuits depicted in Fig. 10.76. Assume perfect symmetry and λ > 0.
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![a. [15 points] Calculate the small-signal differential voltage gain vout/(vin1 − vin2) in the circuit shown below. Assume perfect symmetry, but do not neglect channel length modulation. The N-channel MOSFET is characterized by (gm = X mA/V, ro = 75 kΩ), while the P-channel MOSFET is characterized by (gm = 0.8 mA/V, roP = 60 kΩ). The current sources have an output resistance of 120 kΩ ). Assume RSS = 4.2 kΩ. Hint: Use the half-circuit technique. X = 1.335 mA/V b. Repeat part (a) to find the [10 points] common-mode gain vout /vicm, and the [5 points] CMRR.](https://www.doubtrix.com/uploads/editor/1612529864PpVFQZDtWb.png)
