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Practice over 1000+ GATE-level questions from this topic!

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Q#1 MOSFET GATE EC 2009 MCQ +2 marks -0.66 marks

Consider the CMOS circuit shown,

22.jpg

Where the gate voltage  of the n-MOSFET is increased from zero, while the gate voltage of the p-MOSFET is kept constant at 3 V. Assume that, for both transistors, the magnitude of the threshold voltage is 1 V and the product of the trans-conductance parameter and the (W/L), is.

For small increase in  beyond 1 V, which of the following gives the correct description of the region of operation of each MOSFET?        

Both the MOSFETs are in saturation region

Both the MOSFETs are in triode region

n-MOSFET is in triode and p-MOSFET is in saturation region

n-MOSFET is in saturation and p-MOSFET is in triode region

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