This new Ninth Edition features revised chapters with new and updated coverage of intellectual property and patents, probability and design, power electronics, rectifiers, filter and power supplies, properties of materials, units, constants and conversion factors, active filter design, antennas, integrated circuits, digital signal processing, plus much more. Considered by many professionals to be the best reference book ever published for electrical, electronics, and communications engineers, Reference Data for Engineers, Ninth Edition provides an abundance of information on essential, need-to-know topics without heavy emphasis on complicated mathematics.