A one transistor regenerative receiver based on this design https://sites.google.com/site/ljgalasso/amregen.pdf with some modifications from Charles Kitchin’s simple regen http://www.arrl.org/files/file/Technology/tis/info/pdf/0009061.pdf to stabilize the transistor bias. Here is the schematic for my version http://i.imgur.com/pPXKP.png I’m documenting this in a video since I’ll soon be tearing this circuit apart to make something new.