电子元器件三极管特性简介

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                    <section><section powered-by="gulangu"><section><p><img src="image/20201019/addc21bf0c0ecd5f0cd8fdb075237994_1.gif" /></p></section></section><section powered-by="gulangu"><section><section><p>三极管的构成</p></section><p><img src="image/20201019/7a2c795a911b88650f2de446856888ba_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;三极管是由2个PN结组成，并且具有电流放大能力的半导体器件，属于电流控制器件。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/df3fa77c9afbf1b511201a1ef4532a10_3.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/d1ad871ab4ae9a182d96b92c4d93d2ca_4.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p>三极管的工作原理</p></section><p><img src="image/20201019/7a2c795a911b88650f2de446856888ba_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;比如基极电流I<span>B</span>（人事部），招聘到很多人员（载流子），但这些人员（载流子）中，只有一小部分进了基极自己的部门，大部分的人员被基极分配到集电极I<span>C</span>（生产部），生产部不能直接招聘（载流子），全靠基极招聘。所以，基极电流控制了集电极电流I<span>C</span>，没有基极电流，就没有集电极电流。 &nbsp;&nbsp;</p></section></section></section><section powered-by="gulangu"><section><section><p>三极管的特性</p></section><p><img src="image/20201019/7a2c795a911b88650f2de446856888ba_2.png" /></p> <section></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span>输入特性：是描述三极管在管压降U<span>CE</span>保持不变的前提下，基极电流I<span>B</span>和发射结压降U<span>BE</span>之间的关系。</span></p><p>&nbsp; &nbsp; &nbsp; &nbsp; 输出特性：是描述三极管在输入电流I<span>B</span>保持不变的前提下，集电极电流I<span>C</span>和管压降U<span>CE</span>之间的函数关系。</p></section></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/82818c7ac554b6382d05145ed3565a64_7.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/666644987b572369d3ef77ffa1c26098_8.jpg" /></p></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><p>欢</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>迎</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关</p></section></section></section></section><section><section powered-by="gulangu"><section><section><p>注</p></section></section></section></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><p><img src="image/20201019/7806663b1daa5dac6f944b859d2bc375_9.jpg" /></p></section></section></section><section><section powered-by="gulangu"><section><section></section></section></section></section><section><section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section></section></section></section></section>