Book excerpt: Practical Design of Power Supplies details key techniques and offers advice to engineers and technicians who want to design and build power supplies that work the first time they are turned on. Leading authority Ron Lenk presents current, experiment-based information that can save hours of research and design time. Containing many handy "Practical Notes" and real-world examples, Practical Design of Power Supplies is an excellent how-to reference to keep by your side throughout the design, lab, and production phases. Practical Design of Power Supplies will be especially useful to designers who need to understand and implement the concepts behind loop compensation and magnetics design.