In the source-follower circuit in Figure P4.39 with a depletion NMOS transistor, the device parameters are: \(V_{T N}=-2 \mathrm{~V}, K_{n}=5 \mathrm{~mA} / \mathrm{V}^{2}\), and \(\lambda=0.01 \mathrm{~V}^{-1}\). Design the circuit such that \(I_{D Q}=5 \mathrm{~mA}\). Find the smallsignal voltage gain \(A_{v}=v_{o} / v_{i}\) and the output resistance \(R_{o}\).

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CCI +5 V RG= 200 HH Rs R = 2 vo Figure P4.39 -5 V