There it is. Howard Armstrong's regenerative receiver. Mike, KC7IT, led me to the wonderful website that has this picture, and much more. The site has all kinds of schematics and pictures and letters related to the work of radio pioneer Howard Armstrong. Check it out (you should probably take the tour by hitting the NEXT button on each page):
http://users.erols.com/oldradio/eha1.htm
I continue to work on my regen (part of the ET-1/FETer minimalist project). Jim, K9JM, says the raspy tone on CW signals is caused by FMing of the regen stage and prescribes a coil of higher Q. Thanks Jim.
May 8, 2024. Adding Some Zest to Your Homebrew Rigs!
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Often when the words Homebrew Rigs are mentioned immediately the conjured
view is one or two transistors, no dial readout and looks like chewing gum
and ba...
2 hours ago