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January 2015 Vol. 52 No. 5

This is a highly specialized monograph on the analysis and design of broadband transformers that are used in radio frequency range applications.  There are basically two major types of transformers used for broadband impedance matching: magnetically coupled transformers and transmission line transformers.  Mack (Demystifying Switching Power Supplies, 2005) and Sevick (deceased, 2009) focus on the latter, and the book is based on the early work of Sevick, who is renowned for his research related to short antennas and transmission line transformers.  Following an introduction on broadband matching transformers, this updated, reorganized edition (4th ed., 2001; 1st ed., 1987) presents two major methods that are employed to achieve a 1:4 matching ratio.  Variations of and improvements to these methods are presented in the following chapters.  The book also covers cases where a 1:1 transformer, a multimatch transformer, and equal-delay transformers are required.  Finally, the book presents some hints and comments on performing experimental analysis. 

--B. Kordi, University of Manitoba

Summing Up: Recommended. Engineering collections serving upper-division undergraduates through professionals/practitioners.