This circuit for high power xenon lamps was found in the November 1974 issue of Radio Electronics magazine. The project was described in an article.
We found this circuit in documentation from the 1980s. The integrated circuit used is uncommon today,...
This stethoscope or hearing aid amplifier has excellent gain. It was found in Popular Electronics from...
This control for 12 V drills was found in a 90s Elektor. The components are current, and Q1 can be...