共射放大的基础原理

1.共射放大电路图及工作状态 工作状态 静态时:当输入信号Vi为0时,放大电路的工作状态,也称直流工作状态。 […]

放大电路的性能指标

1.放大倍数 对放大电路而言,有电压放大倍数、电流放大倍数和功率放大倍数,放大倍数定义是按照如下公式定义的: […]

三极管放大电路组态

1.组合形式 双极型三极管有三个电极,对于信号而言,其中两个可以作为输入,两个可以作为输出,这样必然有一个电极 […]

放大电路

1.概念 将一个信号的能量(电压、电流、功率)进行加强的电路称为放大电路。 放大电路主要用于放大微弱电信号,输 […]

一文详细了解运放

1.定义 运放,全称:集成运算放大器。它是一个芯片,是将一个设计优良的放大电路集成在一个芯片内,这个芯片内部的 […]

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