Question: Repeat Problem 3.27 but with matched loads and mismatched transistor output resistances. Assume R 1 = R 2 = 10 k, r o1 = 505

Repeat Problem 3.27 but with matched loads and mismatched transistor output resistances. Assume R1 = R2 = 10 kΩ, ro1 = 505 kΩ, and ro2 = 495 kΩ. What happens when rtail → ∞?

Data from Prob. 3.27:

Use half-circuit analysis to determine Adm, Acm, Acm−dm, and Adm−cm for a resistively loaded differential pair with mismatched resistive loads, R1 and R2. Assume that R= 10.1 kΩ and R2 = 9.9 kΩ. Also assume that gm1 = gm2 = 1 mA/V, ro1 → ∞, and ro2 → ∞. Finally, assume that the equivalent resistance of the tail current source rtail =1 MΩ.

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