This circuit was obtained in a 1964 Electronic Design. Equivalent modern transistors can be used. The circuit requires a 6 V symmetrical power supply.
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...