Introduction to Power Supply Circuits

Chapter CHAPTER 11 Power Supply Circuits

Complete Electronics Self Teaching Guide with Projects
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Summary of Contents

Complete Electronics Self Teaching Guide with Projects

  • 11Power Supply CircuitsA power supply is incorporated into many electronic devices. Power supplies convert the 120 volts AC from a wall plug to a DC voltage, providing power for all types of electronic circuits.Power supply circuits are simple in principle, and those shown in this chapter have been around for many years. Because power supplies incorporate many of the features covered in this book, they make an excellent conclusion to your study of basic electronics.Diodes are a major component in power supplies. Learning how AC signals are affected by diodes is fundamental to your understanding of how power supplies work. Therefore, this chapter begins with a brief discussion of diodes in AC circuits.Throughout this chapter, diagrams show how AC signals are affected by diodes and other components in power supply circuits. If you have an oscilloscope, you can bread-board the circuits and observe these waveforms.Book Authorc11V107/04/2012 3:27 PM c11.indd 4557/4/2012 3:27:21 PM