第7章模拟集成电路系统 RIR RJR R, +rR R+rR R R+r R、R1|R (1+- RSR RR+RR2 R2+RR R RR (1+)( RR2+RRI )(l1+2) (7-4)第7章 模拟集成电路系统 (1 )( )( ) (1 )( ) 1 2 2 3 1 3 1 2 2 3 1 3 1 1 1 3 2 3 2 2 2 3 1 3 1 1 1 3 2 3 2 i i f o i i f o o f f i i u u R R R R R R R u u R R R R R u R R R R R R R u u U R R R U u R R R R R u R R R R R U + + = + + + + = + = + = + + + = − + (7–3) (7–4)