Topband: KM5KG network designer

[Chris G3SVL]

Hi Eric,

Long time no speak - hope you are well.

Have you looked at SimSmith? It appears to do some of the things you are 
looking for. Plenty of videos on YouTube or start here perhaps: 
https://www.w0qe.com/SimSmith.html

73 Chris, G3SVL


On 10/02/2021 17:16, Eric Scace K3NA wrote:
>     Grant KM5KG (SK) had a Windows program for impedance matching network design that provided current and voltage levels for each component in the system, based on the power passing through the network to the load, as well as many other useful features for reducing a theoretical design into a practical implementation. I had a copy at one time, but it seems to have disappeared.
>
>     Does anyone have a copy?
>
>     More generally, is there a modern software tool available that:
> supports an arbitrary placement of inductors, capacitors, stubs and line segments between generator and load
> calculates the peak V and I on each element
> calculates Z at the input of each stage in the network
> nice to have:
> Smith chart overview
> multiple frequencies; i.e.:
> load characterized by Z at several frequencies
> Smith chart display of Z with those frequencies at each stage
>
>     I’ve hand-built Excel spreadsheets for specific networks to do the above, but it’s very easy to make programming errors on a complex spreadsheet…
>
>     Thanks for any suggestions.
>
> — Eric K3NA
> _________________
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