In general, the book describes the mechanics of these charts in relation to the guided-wave and circuit theory and, with examples, their practical uses in waveguide, circuit, and component applications. T he purpose of this book is to provide the student, the laboratory technician, and the engineer with a comprehensive and practical source volume on SMITH CHARTS and their related overlays. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, withou t the prior written permission of the publisher. Prepared under the sponsorship and direction of Kay Electric CompanyĮLECTRONIC APPLICATIONS OF THE SMITH CHART Copyright © 1969 by Kay Electric Company, Pine Brook, New Jersey. SMITH Member of the Technical Staff Bell Telephone Laboratories, Inc. While Smith had originally called it a " transmission line chart" and other authors first used names like " reflection chart", " circle diagram of impedance", " immittance chart" or " Z-plane chart", early adopters at MIT's Radiation Laboratory started to refer to it simply as " Smith chart" in the 1940s, a name generally accepted in the Western world by 1950.ELECTRONIC APPLICATIONS OF THE SMITH CHART In Waveguide, Circuit, and Component Analysis McRae, who were familiar with conformal mappings, was reworked into the final form in early 1937, which was eventually published in January 1939. Starting with a rectangular diagram, Smith had developed a special polar coordinate chart by 1936, which, with the input of his colleagues Enoch B. It was independently proposed by Tōsaku Mizuhashi ( 水橋東作) in 1937, and by Amiel R.
The Smith chart (sometimes also called Smith diagram, Mizuhashi chart ( 水橋チャート), Mizuhashi–Smith chart ( 水橋スミスチャート), Volpert–Smith chart ( Диаграмма Вольперта-Смита) or Mizuhashi–Volpert–Smith chart), is a graphical calculator or nomogram designed for electrical and electronics engineers specializing in radio frequency (RF) engineering to assist in solving problems with transmission lines and matching circuits.
For the similar term Volpert graph, see Volpert graph (disambiguation).
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