如何画出放大电路的微变等效电路-天气预报

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如何画出放大电路的微变等效电路

更新时间： 2020-10-13 00:00:00

方法如下：

1、先画交流等效图。方法：将电源和电容短路，其它照画。

2、将三极管用微变等效电路取代。方法：三极管基极和发射极之间用一个电阻取代，流入电流。集电极和发射极间用一个受控电流源取代，受控源电流即可。

关键词：如何放大电路等效电路

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