A PMOS transistor has parameters (V_{T P}=-0.6 mathrm{~V}, k_{p}^{prime}=40 mu mathrm{A} / mathrm{V}^{2}), and (lambda=0.015 mathrm{~V}^{-1}). (a)

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A PMOS transistor has parameters \(V_{T P}=-0.6 \mathrm{~V}, k_{p}^{\prime}=40 \mu \mathrm{A} / \mathrm{V}^{2}\), and \(\lambda=0.015 \mathrm{~V}^{-1}\).

(a) (i) Determine the width-to-length ratio \((W / L)\) such that \(g_{m}=1.2 \mathrm{~mA} / \mathrm{V}\) at \(I_{D Q}=0.15 \mathrm{~mA}\). (ii) What is the required value of \(V_{S G Q}\) ?

(b) Repeat part (a) for \(I_{D Q}=0.50 \mathrm{~mA}\).

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