This circuit was found in ancient American documentation. Equivalent operational amplifiers can be used. The power supply must be symmetrical. The circuit provides an average output.
The PA222 integrated circuit used in this project from an American 1967 documentation is not...
This circuit with an optical path sensor was found in a 1995 documentation. The circuit fires...
This circuit was found in an 80's Electronic Design. It amplifies TTL fast signals for a coaxial...