In the figure we have a third fast adder that we found in an 80's Electronic Engineering. The circuit can be implemented based on any logic family.
We found this circuit in Radio Electronics magazine. It triggers a load (relay) by the noise from...
This circuit was found in an English publication from the 70's. The circuit requires symmetrical...
This conventional 12 V power supply stabilized with 2 A current was found in a 1995 documentation. Its...