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Determine voltage gain, Input resistance and output resistance for the MOSFET amplifier shown.

The diagram below

enter image description here

1 Answer
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DC analysis of the circuit:

1.VG=R2(R1+R2)(VDDVSS)5V=30(180+30)X105=3.571V

Applying KVL to gate source loop we get,

  1. VGVGSIDQRS+5=0

VGSQ=5+VGIDQRS=53.5711000IDQ=1.4291000IDQ

  1. But …

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