The p-channel JFET common-source amplifier in Figure P4.79 has transistor parameters \(I_{D S S}=8 \mathrm{~mA}, V_{P}=4 \mathrm{~V}\), and \(\lambda=0\). Design the circuit such that \(I_{D Q}=4 \mathrm{~mA}, V_{S D Q}=7.5 \mathrm{~V}, A_{v}=v_{o} / v_{i}=-3\), and \(R_{1}+R_{2}=\) \(400 \mathrm{k} \Omega\).

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CCI + VDD = 20 V R Rs ww R Figure P4.79 www VO Rp