The diff-amp in Figure P11.63 is biased at IQ = 0.5 mA. The transistor parameters are Kn = Kp = 0.25 mA/V2, VTN = 0.4 V, VTP = −0.4 V, and λn= λp = 0.02 V−1. (a) What are the minimum power supply voltages if the common-mode input voltage is to be in the range ±3 V? Assume symmetrical supply voltages, (b) Determine the differential-mode voltage gain.
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