Book Excerpt: Sevick’s Transmission Line Transformers, Chapter 9 Baluns

-July 29, 2014

Chapter 9: Baluns, Part 1


This chapter excerpted from Sevick’s Transmission Line Transformers describes the balun as a subset of transmission line transformers with an in-depth treatment of most used types. Schematics and design /build information details are shown and are well described. There will be three parts to this excerpt due to its length. Here is part one. Parts two and three will follow as well as a final article on applications of the balun that I will publish after the three excerpts are published.



Published by Scitech Publishing, an imprint of the IET.

Copyright © 2001, 2014 by Scitech Publishing, Edison, NJ. All rights reserved.

Fifth edition 2014

ISBN 978-1-89112-197-5


The book, authored by Raymond A. Mack and Jerry Sevick has been reviewed on EDN as well and that review can be found here.


9.1 Introduction


This chapter covers baluns, the subset of transmission line transformers of most interest to antenna builders since most antenna structures have symmetrical feed points. We will look at both Ruthroff-and Guanella-style baluns.


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