This traditional configuration that any Series 139 comparator can use is found in the 1990 Motorola Databook. The circuit does not need a symmetric power source and the components can be calculated from the formulas next to the diagram.
This traditional configuration that any Series 139 comparator can use is found in the 1990 Motorola Databook. The circuit does not need a symmetric power source and the components can be calculated from the formulas next to the diagram.