We found this circuit in the Philips integrated circuits manual of 1990. The circuit must be powered by a symmetrical high current source. The integrated circuit must have a good heat radiator.
This 1995 circuit uses interruption sensors or NC connected in series in any quantity. With the...
This circuit, suggested by a 1975 documentation, detects an electrical discharge in a storm by...
Found in an old Electronic Design, this circuit provides an output voltage that is the absolute...