The ever innovative and prolific Mr. Woodward has offered “PWM-programmed LM317 constant current source,” an intriguing programmable constant current source which elicited a lively conversation in its ...

Figure 1 A classic LM317 constant current source where: Iout = Vadj/R = 1.25v/Rs.. Figure 2 shows another (easier) way to make Iout programmable. The circuit enables control of ampere-scale Iout with ...

Current Source Inverter: A device that converts a DC current from a constant current source into an AC output, commonly used in high-power applications. Converter: ...