If g is the transconductance and r is the resistance due to channel l – McqOptions

MCQOPTIONS

1.	If g is the transconductance and r is the resistance due to channel length modulation – what is the total voltage gain if both M1 and M3 has channel length modulation?
A.	R / ((1/g \|\| r) + R) * g * R * R / ((1/gm \|\| r))
B.	R / ((1/g + 4R) * g * R / ((1/g \|\| r) + 3R)
C.	R / ((1/g \|\| r)) * g R R / ((1/g \|\| r) + 2R)
D.	R / ((1/g) * R * R * g * 4g
Answer» B. R / ((1/g + 4R) * g * R / ((1/g \|\| r) + 3R)

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