Using the LM3909 this circuit was found in the January 1992 issue of Radio Electronics magazine. Resistor R1 should be chosen according to the table given next to the diagram.
January 2017 - Mouser Electronics already has to supply the INA240 evaluation modules for current...
We have several circuits like this in this section and on the website. This is from a magazine 73...
This power supply is protected from shorts in the load. The BD135 must be mounted on a heatsink...