Ignoring early effect, if R2 is the total resistance at the collector, – McqOptions

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1.	Ignoring early effect, if R2 is the total resistance at the collector, what could be the approximate output pole of a simple C.E. stage?
A.	1 / [R<sub>2</sub> * (C<sub>cs</sub> + C<sub> </sub>(1 + 2/g<sub>m</sub>R<sub>2</sub>))]
B.	1 / [R<sub>2</sub> * (C<sub>cs</sub> C<sub> </sub>(1 + 1/g<sub>m</sub>R<sub>2</sub>))]
C.	1 / [R<sub>2</sub> * (C<sub>cs</sub> + C<sub> </sub>(1 1/g<sub>m</sub>R<sub>2</sub>))]
D.	1 / [R<sub>2</sub> * (C<sub>cs</sub> + C<sub> </sub>(1 + 1/g<sub>m</sub>R<sub>2</sub>))]
Answer» E.

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Ignoring early effect, if R2 is the total resistance at the collector, what could be the approximate output pole of a simple C.E. stage?