This power source for Gas Laser was obtained in a 90’s Electronic Design. The circuit uses a switched regulator from the time. Equivalents can be used.
An OR gate can be implemented with an LM3900 transconductance operational amplifier. The circuit is...
This circuit was obtained in an old American documentation, remembering that the 566 is the double...
This circuit has a consumption of only 3.7 mA and can be installed in vehicles or objects for...