If Channel Length Modulation is present and gm is the transconductanc – McqOptions

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1.	If Channel Length Modulation is present and gm is the transconductance of M1, what happens to the output resistance of for a fixed V2 in the following circuit?
A.	(1 + (gm * ro)) * Rs + ro
B.	(1 + (gm * ro)) * ro + Rs
C.	(ro + 2) * Rs
D.	(1 + (gm * ro)) * Rs
Answer» B. (1 + (gm * ro)) * ro + Rs

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