This circuit is from an old documentation, making use of an operational of the time. The circuit can be adapted to use modern components. The power supply must be symmetrical.
Found in old documentation, this circuit uses special discharge lamps (neon) of the time. The...
This circuit, which can be used as a shield, was found in a 90s Electronic Design. The circuit...
This circuit, which can be seen elsewhere on this website, was obtained from a 90’s English...