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Switchmode RF Power Amplifiers (Communications Engineering)

A majority of people now have a digital mobile device whether it be a cell phone, laptop, or blackberry. Now that we have the mobility we want it to be more versatile and dependable; RF power amplifiers accomplish just that. These amplifiers take a small input and make it stronger and larger creating a wider area of use with a more robust signal.

Switching mode RF amplifiers have been theoretically possible for decades, but were largely impractical because they distort analog signals until they are unrecognizable. However, distortion is not an issue with digital signals-like those used by WLANs and digital cell phones-and switching mode RF amplifiers have become a hot area of RF/wireless design. This book explores both the theory behind switching mode RF amplifiers and design techniques for them.

*Provides essential design and implementation techniques for use in cma2000, WiMAX, and other digital mobile standards
*Both authors have written several articles on the topic and are well known in the industry
*Includes specific design equations to greatly simplify the design of switchmode amplifiers

About the Author

In 1989, Mr. Sokal was elected a Fellow of the IEEE, for his contributions to the technology of high efficiency switching-mode power conversion and switching-mode RF power amplification. In 2007, he received the Microwave Pioneer award of the IEEE Microwave Theory and Techniques Society, in recognition of a major, lasting, contribution: development of the Class-E RF power amplifier.

In 1965, he founded Design Automation, Inc., a consulting company doing electronics design review, product design, and solving "unsolvable" problems, for equipment manufacturing clients. Much of that work has been on high efficiency switching mode RF power amplifiers at frequencies up to 2.5 GHz, and switching mode dc-dc power converters. He holds eight patents in power electronics, and is the author or co-author of two books and about 130 technical papers, mostly on high efficiency generation of RF power and dc power.

During 1950 1965 he held engineering and supervisory positions for design, manufacture, and applications of analog and digital equipment.
He received B.S. and M.S. degrees in Electrical Engineering from the Massachusetts Institute of Technology, Cambridge, Massachusetts, in 1950.

He is a Technical Adviser to the American Radio Relay League, on RF power amplifiers and dc power supplies, and a member of the Electromagnetics Society, Eta Kappa Nu, and Sigma Xi honorary professional societies.
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