# 半导体器件原理 1：半导体、PN结和双极结晶体管

## Principle of Semiconductor Devices Part I: Semiconductors, PN Junctions and Bipolar Junction Transistors

An intuitive approach to operational principles of semiconductor devices.The course covers PN junction diodes, optical sensors, solar cells, LEDs, and Bipolar Junction Transistors.

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edX
• 完成时间大约为 8
• 中级
• 英语, 中文

### 你将学到什么

How to describe the motion of carriers in a semiconductor material

Ways to illustrate the operational principles of some common electronic devices including PN Junction Diode,Schottky Diode, Photo Diodes,Solar Cells,LED andBipolar Junction Transistor

How to identify the most important parameters to adjust for meeting certain design specifications

How to construct the circuit models of some common electronic devices

Communication in the language of semiconductor

### 课程概况

As a topic of study, semiconductor devices offer aunique challenge due to the complex mathematics involved. In this course, we takea more intuitive approach to explore the underlying concepts.Eschewing mathematics, we use engaging animations to help you visualize the working principles of many common semiconductor devices.

Whether you are completely new to the subject or an experienced engineer, thiscourse will give you a differentperspective and a new way to look at the behaviors of semiconductor devices.

Reducing the reliance of equations does not mean the depth of the material is sacrificed. In fact, the course provides evenmore in-depth explanations of key concepts.We shift the focus from quantitatively evaluating the behavior of semiconductor devices to intuitively visualizing the semiconductor device actions.

In addition, the courseoffers a widearray of content – from basic PN junctions to modern nano-electronic circuit and systems. Besides covering the existing technologies, the course also explores the development of the industry into the future.

### 课程大纲

Week 1: Intrinsic semiconductor materials
Introduction to the energy band diagram of a crystal and calculating the carrier concentration in the material.

Week 2: Doping and PN junction formation
The effect of doping and the formation of PN junctions.

Week 3: Current-voltage characteristics of PN junction diodes
Current-voltage characteristics and detailed carrier actions in a PN junction diode.

Week 4: Real PN junction characteristics, its model and design
The characteristics of real PN junction diodes, the charge and capacitance models, and the design strategy.

Week 5: PN junction optical properties and metal-semiconductor contacts
The optical responses of the PN junction; the working principles of optical detection, solar cells and LEDs; and the metal-semiconductor contacts.

Week 6: Basic operation of Bipolar Junction Transistor
Introduction to bipolar junction transistors, I-V characteristic and non-ideal effects.

Week 7: Real Bipolar Junction Transistor structures, switching characteristics and model
Switching characteristics of the Bipolar Junction Transistor, it circuit model and design strategy.

Week 8: Final Exam

### 预备知识

Basic high-school chemistry and knowledge of the periodic table
Basic algebra
Basic calculus

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