This circuit was found in a Electronics World of 1968. The integrated circuit is the MC1320P from Motorola, uncommon today.
This circuit was found in the September 1974 issue of Radio Electronics magazine. The circuit uses...
This circuit was obtained from the February 1992 Radio Electronics magazine. In it, a bar of 4...
This inverse transistor breakdown circuit was found in a 1967 documentation. It applies to modern...