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ECE · Q87

Analog Electronics

Engineering and GATE · ECE · question 87

Q87

An n-channel enhancement mode MOSFET is biased at VGS > VTH and VDS > (VGS - VTH), where VGS is the gate-to-source voltage. VDS is the drain-to-source voltage and VTH is the threshold voltage. Considering channel length modulation effect be significant, the MOSFET behaves as a

A.
Voltage source with zero output impedance
B.
Voltage source with non-zero output impedance
C.
Current source with finite output impedance
Answer
D.
Current source with infinite output impedance

Answer: Option C

Solution

Answer: Option C
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