1.

If a C.E. stage has a load Rl and transconductance gm, what is the factor by which the capacitance between the base and the collector at the input side gets multiplied?

A. 1 + g<sub>m</sub>R<sub>l</sub>
B. 1 g<sub>m</sub>R<sub>l</sub>
C. 1 + 2*g<sub>m</sub>R<sub>l</sub>
D. 1 2*g<sub>m</sub>R<sub>l</sub>
Answer» B. 1 g<sub>m</sub>R<sub>l</sub>


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