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a) For the common source amplifier below, calculate the small signal gain Av -Vo Vi (from the transistor gate to the output n

Please do part a only

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Answer #1

small л.gna e~u.vaten4 nodel 20k 39 m A-79m Rin- Vin Rin (input impedandce 그 al s

to find output resistance. Disable the input signal source(short it) and do not consider load resistance in calculations.

30 20k 3k ZRw.jak V-x Vo 23.ik linhence gwォ -o, cume nt fource 아en circuit thus 56-2. Ay 39m R, 20 Vs

As Vt(threshold voltage) not given it is not possible to numerically find gm(transconductance) and hence assumed as 'gm' throughout.

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