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Consider the circuit in Fig. P11.52 as a transconductance amplifier with input Vs and output Io. The transistor is specified in terms of its gm and ro. (a) Sketch the small-signal equivalent circuit using the hybrid-π model of the MOSFET and convince yourself that the feedback circuit is comprised of resistor RF. (b) Find the A circuit and the β circuit. (c) Derive expressions for A, β, (1+Aβ), Af, Ro, and Rof.

Consider the circuit in Fig. P11.52 as a transconductance amplifier with input Vs and output Io. The transistor is specified in terms of its gm and ro. (a) Sketch the small-signal equivalent circuit using the hybrid-π model of the MOSFET and convince yourself that the feedback circuit is comprised of resistor RF. (b) Find the A circuit and the β circuit. (c) Derive expressions for A, β, (1+Aβ), Af, Ro, and Rof.

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Consider the circuit in Fig. P11.52 as a transconductance amplifier with input Vs and output Io. The transistor is specified in terms of its gm and ro. (a) Sketch the small-signal equivalent circuit using the hybrid-π model of the MOSFET and convince yourself that the feedback circuit is comprised of resistor RF. (b) Find the A circuit and the β circuit. (c) Derive expressions for A, β, (1+Aβ), Af, Ro, and Rof.

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