This circuit was found in a 1964 Electronic Design. The transistors are of the time, but can be employed as modern equivalents. The system is for car with contact breaker.
The circuit next to a French publication from the 1980s serves as a reference for fluctuating...
This switched-mode circuit was found in the April 1976 issue of Radio Electronics magazine. The...
This circuit "memorizes" the input voltage that is stored in the capacitor and is presented at the...