It is shown therein how voltage and current amplitude and phase (standing wave amplitude and wave position) are represented by these coefficients. The complex transmission coefficients, their representations on the SMITH CHART, and their uses form the subject of Chap. 7, including the graphical determination therefrom of bandwidth and Q of resonant and antiresonant line sections. Several uses of expanded portions of the chart coordinates are described in Chap. 6 an explanation is given of equivalent circuit representations of impedance and admittance on the chart coordinates. Chapters 4 and 5 describe the radial and peripheral scales of this chart, which show, respectively, the magnitudes and angles of various linear and complex parameters which are related to the impedance coordinates of the chart. 2 and 3 by an explanation of how these concepts are related to their quantitative representation on the "normalized" impedance coordinates of the SMITH CHART.
Qualitative concepts of the way in which electromagnetic waves are propagated along conductors are given in Chap. The Introduction to this book relates some of the modifications of the basic SMITH CHART coordinates which have taken place since its inception in the early 1930s. It also describes the construction of boundaries, loci, and forbidden regions, which reveal overall capabilities and limitations of proposed circuits and guided-wave systems. 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. To show Mag/Angle for a z data in Data Reader, click More button in the Preferences dialog and choose : Magnitude or : Angle to show them in the Data Reader.ELECTRONIC APPLICATIONS OF THE SMITH CHART In Waveguide, Circuit, and Component Analysis.for line plot, the part outside the real and imag of Gamma rectangle （-1 real 1 & -1 imag 1） will be clipped.for scatter plot, if real or imag part of Gamma is outside of interval, that data point will not be shown.For complex: Gamma = (z-1)/(z+1), if the real part of z is negative,.Use Scale In button on the Tools toolbar to zoom in a rectangle area. From Origin 2019, Smith chart supports zooming in.The Smith Chart graph is created from the SMITHCHT.OTP template (installed to the Origin program folder). Click the Add button to add a constant SWR circle through the given point. Given the point position specified, select the circle point density and the line color. The data is then re-plotted.Ĭlick this button to reverse the real part axis of the Smith Chart. The Reinterpret Data as Mag / Angle ButtonĬlick this button to treat the active data plot as the Mag / Angle format, and convert the data into R / X format. (Note: R = real part, X = imaginary part)Ĭlick this button to convert the active data plot into the Mag / Angle format and put the data in the source worksheet.
#Smith chart download update#
To update the Smith Chart tool with this change, click the Update button on the tool. You can change the active data plot in the Smith Chart from the Data menu or by selecting the data plot icon in the legend. If you have plotted multiple data sets into the Smith Chart, the Convert Data to Mag / Angle and the Reinterpret Data as Mag / Angle buttons act on the active data plot. Click Normalize to perform the normalization. Re-normalize the current Smith Chart by entering or selecting a factor, from the Factor combo box. Additionally, click the button to open the Smith Chart tool. To customize the Smith Chart, edit the Plot Details and Axes dialog boxes.
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