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所在平台: Udemy |
课程主页: https://www.udemy.com/course/introduction-to-semiconductor-diodes-and-transistors/
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课程名称：半导体二极管与晶体管入门 课程概述： 本课程将介绍半导体的基础知识，包括导体的价电子、半导体与导体之间的区别，以及半导体材料的掺杂过程。课程将深入讲解N型和P型材料，阐述主要载流子和次要载流子的概念。 在二极管部分，课程将展示二极管的特性曲线，讲解正向和反向电流的流动，并介绍物理二极管封装与电子在二极管中的流动。还会解释二极管的电路符号、阴极与阳极排布以及如何使用欧姆表测试二极管。同时，课程也会介绍简单的二极管应用，如半波整流，包括如何计算半波整流电路的峰值电压和平均直流电压，并对电容滤波的基本作用进行说明。 在全波整流的部分，课程将解释全波整流和全波桥式整流的原理，并介绍变压器的使用，此外还会计算全波整流的平均直流电压。 晶体管部分将介绍PNP和NPN两种类型的结型晶体管，解释结型晶体管的正向与反向偏置。课程将讲解晶体管的三个基本元件，以及NPN和PNP晶体管的电路符号和物理封装，并教授如何使用欧姆表测试晶体管。 此外，课程还将介绍晶体管的α与β特性及其关系：Ie = Ib + Ic。课程将引入共发射极电路的负载线，以及如何使用负载线解释直流和交流的晶体管参数，并计算负载电阻RL。还将说明共发射极电路中的相位偏移，解释共集电电路（也称为发射跟随器电路）和共基极配置电路的动作。 最后，课程将总结三种晶体管配置：共发射极、共集电和共基极。 此课程适合希望深入了解半导体器件和它们在电子电路中应用的学习者。
Al explains semiconductor Basics, Valance Electrons in Conductors. The difference between semiconductors & conductors. Describes the doping process in, semiconductor material. What is N & P type Material. Majority & Minority Carries Explained.Diode Curves and Characteristics, of forward and reverse Current flow, by using the Characteristic Diode Curve. Physical Diode Packaging Explained. Electron flow thru Diodes explained.Schematic Symbol of Diode, Cathode and Anode placement explained. Placement of Physical Diode Explained. How to test a diode, with an ohm meter. A simple diode application Explained.Half Wave rectification, how to calculate peak voltage and the Average DC voltage of a half wave rectification circuit. Basic capacitor filter action is also explained.Full wave rectification, full wave bridge rectification explained and the introduction of the transformers. The Average DC Value of a full wave Rectifier explained.Introduction the two types of junction transistors PNP and NPN. Details reverse and forward bias on the junction transistor(s). Introduction of the three elements of the transistor. Explains the schematic Symbols of the transistor (NPN & PNP). Physical packaging of the transistors shown and explained. How to test a transistor with an ohm meter. Introduction alpha and Beta properties of the transistors along with Ie = Ib + Ic.Explanation of alpha and Beta properties of the transistors along with Ie = Ib + Ic. Introduces Load -line (s)with a common emitter circuit. Explanation of both DC and AC transistor parameter's using the load line. How to find RL using the load line. Phase shift in a common emitter transistor.Explanation of the common Collector Circuit ( also called the emitter follower) Circuit action. Common Base configuration circuit action explained. Summary of the three transistor Configurations, Common emitter, Common collector and Common base.
