A current i at Li produces an open circuit voltage u,at L2s dyal

current of one port into the voltage of the otherport and vice verse. U1 =-ais \2 =ai..gyration constant

彩电屏幕字符显示电路的检修 字符信号处理电路的作用是：(1)与字符振荡定 时元件产生振荡，为字符显示信号提供脉冲源； (2)对行、场逆程脉冲进行计时／计数，以确定 字符在屏面上的显示位置；(3)对cPu送来的字 符显示指令进行处理，得到字符显示脉冲串； (4)将字符显示脉冲串，分别由R、G和BLA端口 输

1. Augmented( incidence matrix of a directed graph nodes(N+1), branches(B)

The node-to-datum voltage vector:

n--a large constant voltage source (t)-- small time-varying- voltage source(small signal) >>(3) bsin +i=(),+ (o)=: JOX tniog gin9go int---(1)←0=()2utJ

《电路》（英文版）18-2 Simple nonlinear resistor circuits

1、复数的代数式:F=a+jbj=√-1 2、复数的矢量表示 3、复数的三角式:

例1求以下函数的象函数 (1)单位阶跃函数 (2)单位冲击函数 (3)指数函数

1 If the voltage across a 5F capacitor is 2te -V, find the current and the power 2 In 5s, the voltage across a 40mF capacitor changes from 160v to 220V. Calculating the average current through the capacitor