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Field Effect Transistors (FET)

Q1:

What is the transconductance of an FET when ID = 1 mA and VGS = 1 V?

A 1 kS

B 1 mS

C 1 k

D 1 m

ANS:B - 1 mS

Trans-conductance is the change in the drain current divided by the small change in the gate/source voltage with a constant drain/source voltage. Units are millisiemens. It is denoted by gm.



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