The CMOS op amp of Fig. 12.1 is fabricated in a process
Chapter 12, Problem 12.2(choose chapter or problem)
The CMOS op amp of Fig. 12.1 is fabricated in a process for which = 25 and = 20 . Find A1, A2,and Av if all devices are 0.5-m long and are operated at equal overdrive voltages of 0.2-V magnitude. Also, determine the op-amp output resistance obtained when the second stage is biased at 0.4 mA. What do you expect the output resistance of a unity-gain voltage amplifier to be, using this op amp?
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