Semiconductor technology is the backbone in nearly every electronic device we use, and this book serves as an introduction to the wide world of electronics for the electrical profession. It provides the necessary background required to understand the concepts and theory associated with semiconductors, an essential component in the proper installation and maintenance of electrical systems. Coverage examines the basics of the most commonly used semiconductor devices today, as well as common troubleshooting concepts for working with these systems. Readers are given the essential building blocks that will lead to a complete understanding of all aspects of semiconductor electronics, from the bipolar junction transistor and electronic amplifier, to fiber optics and optical transfer data, communication systems such as radio and television, and more.