Consider the circuit in Figure P11.88. The bias currents \(I_{1}\) and \(I_{2}\) are such that a zero dc output voltage is established. The transistor parameters are: \(K_{p}=0.2 \mathrm{~mA} / \mathrm{V}^{2}, K_{n}=0.5 \mathrm{~mA} / \mathrm{V}^{2}, V_{T P}=-0.8 \mathrm{~V}, V_{T N}=+0.8 \mathrm{~V}\), and \(\lambda_{n}=\lambda_{p}=0.01 \mathrm{~V}^{-1}\). Determine the small-signal voltage gain \(A_{v}=v_{o} / v_{i n}\) and the output resistance \(R_{o}\).

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Vino M V+=5V R = 35 k Figure P11.88 V-=-5 V M Ro +010 12 R = 5kQ