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4.47 The small-signal parameters of the NMOS transistor in the ac equivalent common-gate circuit shown in Figure P4.47 are VTN = 0.4 V, kn' = 100 uA/V2, W/L = 80, and lambda = 0. The quiescent drain current is IDQ = 0.5 mA. Determine the small-signal voltage gain and the input resistance.

4.47 The small-signal parameters of the NMOS transistor in the ac equivalent common-gate circuit shown in Figure P4.47 are VTN = 0.4 V, kn' = 100 uA/V2, W/L = 80, and lambda = 0. The quiescent drain current is IDQ = 0.5 mA. Determine the small-signal voltage gain and the input resistance.

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4.47 The small-signal parameters of the NMOS transistor in the ac equivalent common-gate circuit shown in Figure P4.47 are VTN = 0.4 V, kn' = 100 uA/V2, W/L = 80, and lambda = 0. The quiescent drain current is IDQ = 0.5 mA. Determine the small-signal voltage gain and the input resistance.

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