Abstract: Conventional topologies for high-power LED drivers with high power factors (PFs) require large capacitances to limit the low frequency (100 or 120 Hz) LED current ripples. Electrolytic ...
Electricity flows silently behind walls, mostly invisible until something goes wrong. Most homeowners live their entire lives without thinking twice about the wires snaking through their ceilings or ...
From this chilly vantage point, Villareal can see his monitor and also the top half of 270 Park Avenue, the new JPMorgan ...