Sometimes it seems as though digital designers get all of the attention. In all of the excitement surrounding "gigaFLOPS," "22 nm," and such, there's still one crumb of comfort for we non-digital ...
The US Department of Energy’s AC/DC external power supply efficiency standards enacted in 2007 established a strict combination of no-load power consumption and average efficiency at loads from 25% to ...
Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...