This simple circuit is powered by the logic circuit itself. Components are still common, although they were obtained from somewhat old documentation.
This circuit, found in a 1994 documentation, uses 20 A 2N5448 triacs or equivalent and should be...
This circuit uses two Raytheon RC4558 operational amplifiers that are similar to the 741. The...
We found this circuit in a 1994 documentation. It can be implemented with the indicated...