That looks cool, and seems to be free.
John Larkin Highland Technology, Inc
lunatic fringe electronics
Filter Solutions
May 09, 2017
22 Replies
Yes - it's now free. Here's a similar design to that Chebyshev bandpass you posted for comparison.
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It's a great tool.
FILSYN (George Szentirmai) is easily the most powerful LC tool at any price. It has its quirks. I recommend running it in a VM. It does active and microwave filters too.
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