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第二单元 三极管 PowerPoint PPT Presentation


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第二单元 三极管. 课题一 三极管的基本特性. 课题二 三极管的电流放大. 课题三 共射极放大电路. 课题一 三极管的基本特性. 三极管在电子电路中是一种重要元件,被 广泛应用于各种各样的电子电路中。三极管的基本特性就是具有电流放大作用和开关作用,我们只要给三个电极上施加合适的电压,通过两个 PN 结的作用,让三极管工作在不同的工作区域,就可以让三极管在不同电路中起到不同的作用。. 初识三极管. 三极管测量. 技能训练. 一、初识三极管 1. 常用三极管的外观和种类 常用的一些三极管如图 2—1 所示。.

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第二单元 三极管

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