For the amplifier, VDD = 12V, VSS = 12V, ISS= 20uA, and RD= 820kOhm. Assume Kp = 1mA/V2 and VT P = +1V. (a) What are the output voltages vo for the amplifier for vI = 0V and vI = 20mV? (b) What is the maximum permissible value of vI?

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Differential amplifier

There are two amplifying stages with common degeneration in a differential amplifier.