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 ...

Different components affect system accuracy. Shaury Anand, of Texas Instruments, explains how to choose those most suitable for a precision DC power supply design. Test and measurement applications ...

Although variable DC power supplies might appear to be relatively simple devices common to every engineer’s benchtop, they are actually sophisticated instruments. They must reliably deliver voltage ...