Transmission Line Transformers (Fourth Edition) AUTHOR: Jerry Sevick FORMAT: Hardcover, 304 pages ISBN: 1-884932-18-5 The fourth edition of this classic text on transmission line transformers for high frequencies includes new chapters on transmission line transformer efficiency, power combiners and mixer transformers, and equal-delay transformers. The new edition contains all the valuable information from earlier editions: the clasic techniques of Guanella and Ruthroff as well as hundreds of real transformers constructed and measured to establish the practical levels of bandwidth and loss performance. Readers are encouraged to look beyond the design examples to learn the basic theory that makes transmission line transformers different. In most cases, they will have higher performance than conventional magnetic flux-coupled transformers. TABLE OF CONTENTS Preface 1-Analysis 2-Low-Frequency Characterization 3-High-Frequency Characterization 4-Transformer Parameters for Low-Impedance Applications 5-Transformer Parameters for High-Impedance Applications 6-1:4 Unbalanced-to-Unbalanced Transformer Designs 7-Unbalanced-to-Unbalanced Transformer Designs with Impedance Ratios Less than 1:4 8-Unbalanced-to-Unbalanced Transformer Designs with Impedance Ratios Greater than 1:4 9-Baluns 10-Multimatch Transformers 11-Materials and Power Ratings 12-Simple Test Equipment 13-Hints and Kinks 14-Summary 15-References 16-Transmission Line Transformers Efficiency 17-Notes on Power Combiners and Mixer Transformers 18-Equal-Delay Transformers 19-Additional References