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阻抗(Complex Impedance) 并联 1 1 1 Z(s)Z(s)Z(s) Zy(s) I(s) Is) I(s)=I,(s)+I(s)+…+Iv(s) Vs+++ V(s) Z(s)Z(s) Zy(s) 串联 Z(s)=Z(s)+Z2(s)+...+Zx(s) V(s)=(s)+V(s)+.+Vx(s) =Z(s)I(s)+Z(s)I(s)+...+Zy(s)I(s) V:(s) V: VN(s) V(s) School of Mechanical Engineering ME369-lecture 5.1 Shanghai Jiao Tong University Fal12015 运放建模 (OP-amps) e=K(e2-e)=-K(e-e2) 差动放大器 School of Mechanical Engineering ME369-lecture 5.1 Shanghal Jiao Tong University Fall 2015 66 ME369-lecture 5.1 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 1 2 1 2 ( ) ( ) ( ) ... ( ) ( ) ( ) ( ) ( ) ... ( ) ( ) N N V s V s V s V s Z s I s Z s I s Z s I s         1 2 ( ) ( ) ( ) ... ( ) Z s Z s Z s Z s p N     1 2 1 2 ( ) ( ) ( ) ... ( ) ( ) ( ) ( ) ... ( ) ( ) ( )         N N I s I s I s I s V s V s V s Z s Z s Z s 1 2 1 1 1 1 ... ( ) ( ) ( ) ( ) Z s Z s Z s Z s p N 并联     串联 阻抗(Complex Impedance) ME369-lecture 5.1 Fall 2015 School of Mechanical Engineering Shanghai Jiao Tong University 0 2 1 1 2 e K e e K e e      ( ) ( ) 运放建模 (OP-amps) 差动放大器
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