The circuit shown uses an operational amplifier that is uncommon nowadays. The circuit was obtained in a 1994 Linear Applications Handbook by National Semiconductor.
Recommended by 90s a Radio Electronics, this unit uses a transformer with a 70 V x 5 A secondary,...
This high voltage regulator uses only two passive components. The output is 100 V, but replacing...
This circuit detects magnetic fields by approximation, using a Hall sensor. The components are...