Every day, you count on programmable system and bench DC power supplies to deliver voltage and current to products under test. You expect these supplies to deliver outputs that cover wide ranges while ...

For the PDF version of this article, click here. Designers of ac-dc power supplies often employ trimming potentiometers to calibrate out differential and common-mode errors introduced by tolerances in ...

So you have tested everything from the motherboard to the floppy drive. Still having problems? Have you tried testing the power supply? This Daily Drill Down by Faithe Wempen gives you the scoop on ...