Articles on Smith Chart

The Smith Chart is a graphical aid that gives microwave and rf engineers an extremely useful way of visualizing the transmission line phenomenon and for solving matching network problems. It is essentially a polar plot of the voltage reflection coefficient, gamma. It is one of the most useful tool for RF Engineers. There are a number of articles and tutorials below that will give you a better undestanding of how to use a smith chart for matching in circuits and systems.

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  • The Yin-Yang of Matching: Part 2—Practical Matching Techniques

    High Frequency Electronics

    This Article covers transmission line matching networks, Q of Matching Networks, Effect of Matching on Bandwidth and various Matching topologies.

  • Smith Chart Tutorial – Part 2 Transmission Line Matching

    www.rfic.co.uk

    The Second Part of this Tutorial goes over Transmission Line Matching using the Smith Chart.

  • Smith Chart Tutorial – Part 3 Lumped Matching

    www.rfic.co.uk

    The Third Part of this Tutorial goes over Lumped Component Matching using the Smith Chart.

  • Smith Chart Tutorial - Part 1

    www.rfic.co.uk

    The First Part of this Tutorial goes over the basics of Smith Charts. It starts of with the derivation on the Chart and then moves on to VSWR and Impedance transforms on the chart using Inductors and Capacitors.

  • Common Mistakes in Impedance Matching Network Synthesis

    Aniritsu

    This application note goes over the two most common problems, which engineers face - whether to start with the reflection coefficient or the conjugate reflection coefficient and whether to move towards the generator or towards the load.

  • Matching Using the Smith Chart

    Maxim IC

    Tutorial on RF impedance matching using the Smith Chart with detailed examples. Examples are shown plotting reflection coefficients, impedances and admittances.

  • Smith Chart Basics

    www.Microwaves101.com

    An array of topics on the Smith Chart. Very good for beginners and Industry veterans.

  • Smith Chart Tutorial and Example Questions

    University of Kansas

    A Detailed Lecture on Smith Charts, going over the derivation of the Chart and various application related to Matching using Lumped Components and Transmission Lines. There are a number of solved examples which make some concepts easier to understand.

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