<p>很好的理解三极管的开关功能，下面以8个实例图片，生动的阐述三极管作为开关的功能。</p>
<p>1、低边开关</p>
<p><img alt="低边开关" data-entity-type="file" data-entity-uuid="570d7e7f-0928-4c5b-81cc-269b901bf8ea" src="/sites/default/files/inline-images/1%E3%80%81%E4%BD%8E%E8%BE%B9%E5%BC%80%E5%85%B3.png" /></p>
<p>2、高边开关</p>
<p><img alt="2、高边开关" data-entity-type="file" data-entity-uuid="b54433de-7b55-497c-80b2-3f2f27b75ae6" src="/sites/default/files/inline-images/2%E3%80%81%E9%AB%98%E8%BE%B9%E5%BC%80%E5%85%B3.png" /></p>
<p>3、基极电阻</p>
<p><img alt="3、基极电阻" data-entity-type="file" data-entity-uuid="0621291c-bc54-4006-b341-9c1a1f4120f4" src="/sites/default/files/inline-images/3%E3%80%81%E5%9F%BA%E6%9E%81%E7%94%B5%E9%98%BB.png" /></p>
<p>4、非门电路</p>
<p><img alt="4、非门电路" data-entity-type="file" data-entity-uuid="2bcde1e4-6383-4966-92f5-c30cc74b71a6" src="/sites/default/files/inline-images/4%E3%80%81%E9%9D%9E%E9%97%A8%E7%94%B5%E8%B7%AF.png" /></p>
<p>5、与门</p>
<p><img alt="5、与门" data-entity-type="file" data-entity-uuid="d378f988-276e-49ca-ba38-32490b7afe71" src="/sites/default/files/inline-images/5%E3%80%81%E4%B8%8E%E9%97%A8.png" /></p>
<p>6、或门</p>
<p><img alt="或门" data-entity-type="file" data-entity-uuid="e7d60d44-9a0a-4fd6-8457-b096ff1ff3f9" src="/sites/default/files/inline-images/6%E3%80%81%E6%88%96%E9%97%A8.png" /></p>
<p>7、H桥</p>
<p><img alt="7、H桥" data-entity-type="file" data-entity-uuid="e024cb3a-6130-482b-b3fc-32dddd06a7ef" src="/sites/default/files/inline-images/7%E3%80%81H%E6%A1%A5.png" /></p>
<p><img alt="7-2" data-entity-type="file" data-entity-uuid="bc8e07cb-1dc9-4ec8-85a8-61f735037a78" src="/sites/default/files/inline-images/7-1.png" /></p>
<p>8、振荡器</p>
<p><img alt="8、振荡器" data-entity-type="file" data-entity-uuid="f5bc0cd9-0946-421f-babf-fdddad33e54b" src="/sites/default/files/inline-images/8%E3%80%81%E6%8C%AF%E8%8D%A1%E5%99%A8.png" /></p>
<p>文章来源：电子工程专辑</p>