Transformerless power supplies are showing up a lot here on Hackaday ... If that voltage needs to be DC, it is rectified through a few diodes, and maybe regulated to a maximum voltage but we ...

Every automated test system that tests electronic circuit boards, modules or equipment needs one or more DC power supplies. Specifying the right supply involves more than just finding one that can ...

Bel Fuse Inc. announces that its front end AC-DC power supply portfolio now includes ... the addition of its new TE90 Series external power supplies.

The additional DC voltages are created by internal circuits. Desktop computer power supplies are in one internal unit, which converts AC to all DC voltages. THIS DEFINITION IS FOR PERSONAL USE ONLY.