While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics] came across a fascinating feature of these units: the ferroresonant, or constant voltage transformer (CVT).

But for circuits where weight, volume, or cost are a major concern, a transformer may be omitted in the circuit design in favor of some sort of transformerless power supply. While power supplies ...

A computer power supply converts AC into multiple DC voltages ... For more details, see transformer. See power adapter. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...