This circuit was originally designed with the operational 747 which is rare today. However, the circuit is valid for any operational that must be powered by a symmetrical source.
This circuit was obtained in a documentation of the 80s, using operational of the time. The...
In the figure we have a third fast adder that we found in an 80's Electronic Engineering. The circuit can...
We found this simple music box circuit that can also be used in a musical bell in a 1991...