For the source-follower circuit shown in Figure P4.37, the transistor parameters are: \(V_{T N}=1 \mathrm{~V}, k_{n}^{\prime}=60 \mu \mathrm{A} / \mathrm{V}^{2}\), and \(\lambda=0\). The small-signal voltage gain is to be \(A_{v}=v_{o} / v_{i}=0.95\).

(a) Determine the required width-to-length ratio \((W / L)\) for \(I_{Q}=4 \mathrm{~mA}\).

(b) Determine the required \(I_{Q}\) if \((W / L)=60\).

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CCI RG= 500 Figure P4.37 -5 V +5 V R CC2 10 www R = 4