Q.

Consider the following circuit. Process transconductance parameter = 0.50 mA/V2, W/L=1, Threshold voltage = 3V, VDD = 20V. Find the operating point of circuit.

A. 20v, 25ma
B. 13v, 22ma
C. 12.72v, 23.61ma
D. 20v, 23.61ma
Answer» C. 12.72v, 23.61ma
Explanation: ids = [k’w/l(vgs – vt)2]/2 vgs = 20 x 35 / 55 = 12.72 v
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