射极跟随器

本文采用射极跟随器、电流镜、非饱和电流开关等高速单元电路设计了一种新颖的BJT模拟开关。

A new design of BJT analog switch using high speed unit such as emitter follower , current mirror and unsaturated current switch is presented .

射极跟随器的特点及应用

The Characteristics and Application of Emitter Follower

射极跟随器的辅助放大作用

The assistant amplification effect of emitter follower

射极跟随器二极管-晶体管逻辑

Emitter follower diode transistor logic

射极跟随器－射极耦合逻辑

Emitter follower-emitter coupled logic

互补对称射极跟随器

Complementary symmetry emitter follower

其中由于采样开关（交换式射极跟随器&SEF）是电路获得高速性能的关键部分，所以对其工作原理及主要影响因素做了详细的分析。

In the designed circuit , because sampling switch ( switched emitter follower & SEF ) is the critical part to achieve high speed performance , its fundamental principles and main drawbacks are analyzed in detail .

该动态电压恢复器由一传统的三相电压型逆变器和一射极跟随器组成，其中，三相电压型逆变器用于消除供电电压中负序分量对负荷的影响，并将负荷电压恢复到给定的水平；

The negative effects of load caused by the negative sequence component of the supply voltage can be eliminated and the load voltage magnitude can be restored to referenced value by using the three phase voltage source inverter .