Chapter 11, Problem 11.64P

The differential amplifier in Figure P11.64 has a pair of PMOS transistors as input devices and a pair of NMOS transistors connected as an active load. The circuit is biased with $I_Q=0.2\text{mA},$ and the transistor parameters are: $K_n=K_p=0.1\text{mA}/{\text{V}}^2,{\lambda }_n=0.01{\text{V}}^{-1},{\lambda }_p=0.015{\text{V}}^{-1}$ $V_{TN}=1\text{V},$ and $V_{TP}=-1\text{V}.$ (a) Determine the quiescent drain-to source voltage in each transistor. (b) Find the open-circuit differential mode voltage gain. (c) What is the output resistance?