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In the CMOS circuit shown, electron and hole mobilities are equal, and M1 and M2 are equally sized. The device M1 is in the linear region if

In the CMOS circuit shown, electron and hole mobilities are equal, and M1 and M2 are equally sized. The device M1 is in the linear region if Correct Answer <p>Vin&lt; 1.875 V</p>

\\ Or,\ \frac{1}{2}{K_n}{\left^2} = {K_p}\left\\ Or,\ \ \ {\left^2} = {\left( {{V_{DD}} - {V_{in}} - {V_T}} \right)^2}\\ Or,\ \ \ {\left( {{V_{in}} - 1} \right)^2} = {\left( {4 - {V_{in}}} \right)^2}\\ Or,\ \ \ {V_{in}} - 1 = \left( {4 - {V_{in}}} \right)\\ Or,\ \ \ {V_{in}} = 2.5 \end{array}\)

So, for Vin< 2.5 the PMOS will be in a linear region so the correct option is (1)

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