Find i the quiescent drain current idqnbspand ii the

Question

The transistor parameters for the circuit shown in given Figure are V_TN = 0.4 V, K_n = 0.5 mA/V², and λ = 0.

(a) Find (i) the quiescent drain current I_DQ and (ii) the small-signal transistor parameters.

(b) Determine the transresistance transfer function A_{z f} = v_o/i_s.

(c) Find the output resistance R_of.