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EE 330 Lect 28 Fall 2011

EE 330 Lect 28 Fall 2011 - EE 330 Lecture 28 Small-Signal...

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EE 330 Lecture 28 Small-Signal Model Extension Applications of the Small-signal Model
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Small Signal Model of BJT CQ t I βV g CQ t I V m g CQ AF I V O g 21 22 C BE CE y y i V V 11 12 B BE CE y y i V V C m BE O CE g g i V V B BE g i V g O g m V BE V BE g π B E C An equivalent circuit Review from Last Lecture
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Small Signal BJT Model B E C V be i c g m V be g o V ce i b g π t CQ m V I g t CQ βV I g AF CQ V I g o t CQ βV I g AF CQ V I g o B E C V be i c g o V ce i b g π b i β Alternate equivalent small signal model Review from Last Lecture
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