This circuit, which can serve as a reference for restorations, was found in the October 1989 issue of Radio Electronics magazine. The circuit uses a 5-digit display and a dedicated integrated circuit.
This Maxim Voltage Supervisory integrated circuit can be obtained from Mouser Electronics. It has...
Any FET can be used on this 80's circuit. Power can be supplied with batteries. The output is...
March 2017 - Coilcraft SLR series inductors for currents up to 100 A can be obtained from Mouser...