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所在平台: Udemy |
课程主页: https://www.udemy.com/course/electronic-circuits-part3-bipolar-junction-transistors/
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**课程名称：** 电子电路 - 第三部分：双极结型三极管 (BJT) **课程概述：** 本课程是“电子电路”系列课程的第三部分，重点介绍双极结型三极管 (BJT) 这一广泛使用的非线性电子元件。学员将深入了解 BJT 的特性和应用，学习其作为电流和电压放大器，以及作为开关在电子电路中的重要作用。 **课程主要内容：** * **BJT 基础：** 学习 BJT 的物理结构、电流和载流子分布。 * **BJT 工作模型：** 理解 BJT 在截止、饱和和正向有源区的三种主要工作模式，并学习基于 Ebers-Moll 模型的 BJT 建模方法。 * **电路分析与设计：** 掌握 BJT 电路的直流 (DC) 和交流 (AC) 分析，学习稳定因子和最大对称输出摆幅的概念，并学会设计具有最大稳定性、最大对称输出摆幅和最大增益的 BJT 电路。 * **BJT 放大器配置：** 熟悉共发射极 (CE)、共基极 (CB) 和共集电极 (CC) 三种基本 BJT 放大器配置。 * **高级技术与应用：** 学习米勒定理、Bootstrap 技术等特殊技巧，以及达灵顿对等特殊 BJT 组合。 * **多级放大器与实验：** 学习多级放大器电路，并通过实际的 BJT 电路实验加深理解。 * **仿真实践：** 学习使用 Multisim 进行电路仿真，包括创建 SPICE 网表，以及在 Multisim 中创建和仿真自定义的 BJT 模型。 **学习目标：** 完成本课程后，学员将能够理解 BJT 的放大和开关功能，并掌握设计和仿真 BJT 电子电路的基本能力，为后续更复杂的电子电路学习打下坚实基础。
In this part of the "Electronic Circuits" course, you will get familiar with one of the most widely used nonlinear components which is the Transistor. You will get familiar with the characteristics and applications of a bipolar junction transistor (BJT). The bipolar junction transistor enables you to amplify current and voltages, when used in conjunction with other electronic components like resistors and capacitors. It can also be used as a switch to turn various components of your electronic circuits on and off. After finishing this course you will understand two crucial transistor functions-amplification and switching-that are essential to the creation of electronic circuits.For this purpose, I will start with the physical structure of the BJT. After you get familiar with transistor currents and carrier distribution inside the transistor, you will learn how to model the BJT in cutoff, saturation, and forward active regions (all these models are derived from the Ebers-Moll model). Next, you will learn how to perform DC and ac analysis. You will get familiar with stability factors and maximum output symmetrical swing, and learn how to design a BJT circuit for maximum stability, maximum output symmetrical swing, and maximum gain. In this course, you will learn different types of BJT amplifier configurations (CE, CB, and CC). I will show you some special techniques such as the Miller theorem and Bootstrap technique, and also, special BJT arrangements such as a Darlington pair. You will get familiar with multistage amplifier circuits which are followed by some practical BJT circuit experiments. Finally, I'll demonstrate how to perform simulations in Multisim. Finally, you will learn how to create SPICE netlists, then create and simulate your own BJT models in Multisim.
