This circuit, from the 1990 Motorola Dataar Databook, can use any LM139 series comparator. The circuit must be powered by a symmetrical power source and the formula for component calculations is next to the diagram.
This circuit, from the 1990 Motorola Dataar Databook, can use any LM139 series comparator. The circuit must be powered by a symmetrical power source and the formula for component calculations is next to the diagram.
