The figure shows how to use the LM3914 bargraph with expanded scale. The circuit has two adjustments determining the extremes of the LED excitation scale.
This high input impedance circuit is suggested by Motorola's 1993 Linear Interface ICs. The power...
September 2016 - It can be purchased by Mouser Electronics the new board from Texas Instruments...
This circuit, from the 1990 Motorola Dataar Databook, can use any LM139 series comparator. The circuit...