Introduction to Semiconductors, PN Junctions and Bipolar Junction Transistors
Learn about the motion of carriers in semiconductors and the operational principles of electronic devices like diodes, solar cells, LEDs, and transistors. Understand important parameters for design and construct circuit models. Join our online course for a comprehensive understanding of semiconductor devices.
What you will learn
- describe the motion of carriers in a semiconductor material
- illustrate the operational principles of some common electronic devices including PN Junction Diode, Schottky Diode, Photo Diodes, Solar Cells, LED, and Bipolar Junction Transistor
- identify the most important parameters to adjust for meeting certain design specifications
- construct the circuit models of some common electronic devices
- communication in the language of semiconductor
Program Overview
This online course is the first part of the Principle of Semiconductor Devices Professional Certificate Program.
In this course, we will start with the fundamental concept of semiconductors as a tutorial for doping and the formation of PN junctions. Major and minority carrier currents in PN junctions under forward bias and reverse bias will be explained based on drift and diffusion physics. The course will further explain the operating principle of photodiodes, solar cells, light-emitting diodes (LED) and metal-semiconductor contact.
As an extension of PN junction theory, the concept will be extended to form bipolar junction transistors (BJT). The different operation modes of a BJT, including forward active, reverse active, saturation and cutoff under common emitter mode, will be introduced. The gain and amplifying mechanism of a BJT will be explained based on the carrier actions. The detailed behavior of the BJT will be summarized by a circuit model.
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