Show transcribed image textFor the MOS differential pair with a common - mode voltage VCM applied, as shown in the figure below, let VDD = VSS = 2.0V, k'n W/L = 4mA/V2, Vt = 0.45V, I = 0.4mA, and RD = 2.5kOhm, and neglect channel - length modulation. Find Vov and VGS for each transistor. For VCM = 0, find Vs iD1, iD2, vD1,and VD2. Repeat (b) for VCM = +1. What is the highest value of VCM for which Q1 and Q2 remain in saturation? If current source I requires a minimum voltage of 0.5 V to operate properly, what is the lowest value allowed for vs and hence for VCM.
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