Consider the circuit shown below
If gm1andgm2 are the transconductances of transistors T1andT2 respectively Av=VoutVin of the circuit will be
(Assume λ=0 for both the transistors)
A
AV=−gm1gm2
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B
AV=−gm2gm1
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C
AV=gm2gm1
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D
AV=gm1gm2
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Solution
The correct option is BAV=−gm2gm1 MOS T2 serve as drain resistance for T1
Calculating RoutofT2