The Smith chart: more vital after all these years Although calculators and computers can now make short work of the problems the Smith chart was designed to solve, the Smith chart, like other graphical calculation aids remains a valuable tool. The Smith chart appeared in 1939 as a graph-based method of simplifying the complex math (that is, calculations involving variables of the form x + jy) needed to describe the characteristics of microwave components.
That being the case, I keep collecting links to articles on the net that are supposed to explain how they work. I kind of understand them, but don’t ask me to give an impromptu lecture on how they work and what they’re used for. I keep saying that one day I’m going to really master the Smith Chart.
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