toggle quoted messageShow quoted text
You might try www.hfsignals.net Most of the mods are listed there concisely by type and author.
Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ
Owner - Operator
Big Signal Ranch – K9ZC
Owner – Operator
Villa Grand Piton – J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com
Moderator – North American QRO Group at Groups.IO.
From: BITX20@groups.io [mailto:BITX20@groups.io] On Behalf Of richcarter03052
I built a fully featured Elecraft K2 a few years back. It has a variable bandwidth crystal ladder filter. I wonder if the uBitx filter can be adapted to vary it's bandwidth in a similar fashion, perhaps with an external pot rather than under processor control.