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.
Obtained from a 1980s Signetics documentation, this circuit uses a common integrated circuit at the...
This circuit that can be used as a three-tone domestic bell has a traditional configuration that...
With 3 transistors, we found this receiver in a documentation from 1966. The circuit has an output...