If channel length modulation is present, what is the impedance lookin – McqOptions

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1.	If channel length modulation is present, what is the impedance looking into node X?
A.	(1/gm2 \|\| ro2 \|\| 1/gm1)
B.	(1/gm2 \|\| 1/gm1 \|\| ro1)
C.	(1/gm2 \|\| ro2 \|\| 12/gm1 \|\| ro1)
D.	(1/gm2 \|\| ro2 \|\| 1/gm1 \|\| ro1)
Answer» E.

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