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Since the amplifiers are biased identically and the MOSFETs are identical, the smallsignal parameters for AmplifierA will be the same as those for AmplifierB. , , , 2 , 632 S
1 , , , , 100 kΩ b) What is the topology of “AmplifierA” (i.e., common source, common base, etc)? [2pts]
Cascode
c) Find the voltage gain, input and output resistance of AmplifierA. Show both the
expressions and the numerical values. You can make approximations in your expression
as long as they are within 10% accuracy. [6pts]
1 4126.5
∞ 1 6.525 MΩ Page 2 d) What is the topology of “AmplifierB” (i.e., common source, common base, etc)? [2pts]
Common source with degeneration e) Find the voltage gain, input and output resistance of AmplifierB. Sh...
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 Spring '07
 KingLiu
 Electrical Engineering, Transistor, voltage gain

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