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2) (40) Assume that the FET is saturated in the amplifier circuit below. (a) Draw the ac equivalent circuit for ro 00, (b) Find the ac voltage gain (vo/w) for ro = 00, (c) Draw the ac equivalent circuit for a finite ro. (d) Find the ac voltage gain (Vo/vi) for a finite ro Ay for ro Av for finite ro Rp FDD
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s Capa Im Ro 5 Ro Vo了0 Vo o-

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