Consider the MOSFET amplifier circuits below. For each circuit, Identi

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Consider the MOSFET amplifier circuits below. For each circuit, Identify the amplifier type. Draw the small-signal circuit of the amplifier using the pi-model for the MOSFET, Draw the small-signal circuit of the amplifier using the T-model for the MOSFET. Derive an expression for vo/vi. Derive an expression for vo/vsig . Derive expressions for Ri and Ro.

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Consider the MOSFET amplifier circuits below. For each circuit,

Identify the amplifier type.
Draw the small-signal circuit of the amplifier using the pi-model for the MOSFET,
Draw the small-signal circuit of the amplifier using the T-model for the MOSFET.
Derive an expression for $v_{o} / v_{i}$ .
Derive an expression for $v_{o} / v_{sig}$ .
Derive expressions for $R_{i}$ and $R_{o}$ .