the open-circuit reverse voltage gainthe open-circuit transfer admittancethe short-circuit transfer impedancethe short-circuit reverse current gain

1.双通道数字存储示波器GDS-820/840 的使用 2.直流电源的使用介绍 3. 数字万用表的使用

the short-circuit input impedance I12=0 the short-circuit forward current gain I1V2=0 Let 1=0 he open-circuit reverse voltage gain I1=0 the open-circuit output admittance

第一节 概述 第二节 组成信号发生器的各种方案 第三节 合成信号发生器

are parameters The matrix from of parameter equations:

Let us add and subtract on the right side of I2 we have

parameters equivalents admittance parameters. They parameter equivalents matrix form:

If a positive current is flowing into the(+) end of the current coil while the(+) terminal of the voltage coil is positive with respect to the unmarked end, an upscale reading is obtained

A A--connection three-phase sources a, b, c--line ter min als

Three-phase sources have three Q terminals called the line terminals(a, b,c). + Neutral connection--n an b+V n bn Balanced three-phase sources may