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Jim,
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You are exactly right about the graphical design of a matching network. Some years ago I worked up a network which involved solving a quadratic equation, easily done. So I had an analytic solution for that network. I wanted a similar, but not identical network that also involved a quadratic. Well, sort of: the equation for that network involved a multiplicative term that made its solution difficult to visualize, at least for me. But in plotting what I wanted each network to do on a Smith chart, I could see a reverse symmetry between the networks. Modifying the first solution using that information yielded an exact analytic solution for the second network. I don't known whether or not I would have seen that solution without resort to the visual presentation of a Smith chart. 73, Maynard W6PAP On 4/26/25 17:09, Jim Lux via groups.io wrote:
Convenience for graphical design of a matching network. There¡¯s also sort of a qualitative thing that you recognize particular ¡°shapes¡± on the chart as having particular significance. |
