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

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

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