For a high frequency response of a simple C.E. stage with a transcondu – McqOptions

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1.	For a high frequency response of a simple C.E. stage with a transconductance of g_m, what is C_in?
A.	C<sub> </sub>(1 + g<sub>m</sub>*R<sub>2</sub>) C<sub> </sub>
B.	C<sub> </sub>(1 + g<sub>m</sub>*R<sub>2</sub>) + C<sub> </sub>
C.	C<sub> </sub>(1 2<sub>gm</sub>R<sub>2</sub>) + C<sub> </sub>
D.	C<sub> </sub>(1 + 2<sub>gm</sub>R<sub>2</sub>) C<sub> </sub>
Answer» C. C<sub> </sub>(1 2<sub>gm</sub>R<sub>2</sub>) + C<sub> </sub>

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