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From the Back Cover ------------------- Follow hands-on projects so you can work with electroniccircuits Are you ready to keep up with the rapidly evolving world ofelectronic products? From s and s to MP3 playersand digital cameras, this resource will build your understanding ofhow the latest electronic circuits work. You'll dive into hands-onprojects and walk through the calculations and concepts for keycircuits to get you up to speed. As you progress through thechapters, you'll learn how to build the circuits, and then observeor measure how they work so you can apply the information on yourown. * Learn how to control the flow of electric current * Design a transistor circuit, and compare the sw action ofa JFET and a BJT * Explore the use of resistors, capacitors, and inductors inbandpass and band-reject filters * Use BJTs, JFETs, and operational amplifiers in amplifiercircuits * Find out how an oscillator works, and then design and buildone * Discover how a transformer converts AC voltage to a higher orlower voltage * Calculate the values of components that produce a specified DCoutput voltage for a power supply circuit The book's website (www.buildinggadgets.com) provides projectpages that include links to suppliers and are kept up to date withsupplier part numbers for components you'll need. About the Author ---------------- Earl Boysen is a veteran engineer who maintains two technology-focused websites, www.buildinggadgets.com and www.understandingnano.com. He is coauthor of the first edition of Electronics For Dummies as well as Electronics Projects For Dummies and Nanotechnology For Dummies, all published by Wiley. The late Harry Kybett wrote the bestselling first and second editions of Electronics Self-Teaching Guide. He was director of engineering operations at Columbia Pictures Corporation. He built many studios and video systems for the broadcasting industry, and created training programs for Sony Corporation of America.