Any alternatives to FPGraphTracer?

Hi all,

This is my first post. I am trying to get started with crossover design in XSim and saw in several places that you can extract the frd and zma files from the manufacturer's datasheet with the FPGraphTracer tool. All of the links to that download pull up a 404 Not Found webpage. I was wondering if there are any alternatives to that tool or if anyone has any other means of downloading it.

Thanks!
Colin
 
VituixCAD is quite good - open then go Tools -> SPL Trace. Paste in your image, align the axes then click away. It does a good job of finding the curve against gridlines of the same colour. IT seems to "learn" so as you click more places, it fixes things. Shift key zooms in for click accuracy.
 
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