Electronic Devices and Circuits - Engineering

Q1:

For an P-channel enhancement type MOSFET determine the drain current if K = 0.278 x 10-3A/V2, VGS = -4V, VT = -2V, Voltage equivalent at 27°C = 26 mV.

A 10 mA

B 1.11 mA

C 0.751 mA

D 46.98 mA

ANS:B - 1.11 mA

Drain current Id  = k (|Vgs| - |VT|)2 = 0.278 x 10-3(4 - 2)2 = 1.11 mA.