Determine the op-amp output resistance obtained

Reference no: EM131018724

TheCMOSopampof Fig. 13.1 is fabricated in a process for which V1An = 25 V/μm and/ V1 Ap /= 20 V/μm. Find A1, A2 and Av if all devices are 0.3 μm long, Q1 and Q2 are operated at overdrive voltages of 0.15-V magnitude, andQ6 is operated at VOV =0.2 V.

Transistor	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Q8
W/L()	36/0.3	36/0.3	6/0.3	6/0.3	30/0.3	w/0.3	45/0.3	6/0.3

Also, determine the op-amp output resistance obtained when the second stage is biased at 0.3 mA. What do you expect the output resistance of a unity-gain voltage amplifier to be, using this op amp?

Reference no: EM131018724

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