02第1章常用半导体器件--PN结及二极管.ppt

2017-3-30模拟电子技术基础北京航空航天大学仪器科学与光电工程学院主讲:赵建辉第一章常用半导体器件(1) Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 2017-3-30 半导体基础知识 半导体二极管 双极性晶体管 场效应管 单结晶体管和晶闸管 集成电路中的元件第1章常用半导体器件本节课内容 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 2017-3-30 半导体基础知识 本征半导体 杂质半导体 PN 结重点:PN结原理、伏安特性及电流方程。难点: 结的形成 结单向导电性重点难点 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 2017-3-30 导体自然界中容易导电的物质称为导体,如金、银、铜、铝等金属( p=)。绝缘体有的物质几乎不导电,称为绝缘体,如橡皮、陶瓷、塑料和石英。半导体另有一类物质的导电特性处于导体和绝缘体之间,称为半导体,如锗、硅、***化镓和一些硫化物、氧化物等。导体、半导体与绝缘体本质: 决定于原子结构(最外层电子分布) 一、半导体 Evaluation only. Evaluation only. Created with Client Profile . Created with Clien