We found this circuit in the November 1992 issue of Radio Electronics magazine. The circuit has two integrated circuits, one of which is a preamplifier stage. The power supply must be dual.
The maximum current of this circuit is 1.5 A. The circuit has the formulas next to the diagram to...
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
EDN magazine in a 90's issue published this TTL technology debouncer flip flop circuit, in this...