Here are 4 simple 12V power supply circuits with output voltages around 12V. First power supply circuit is built with BD139, one zener diode and a few passive components. Each of the schematic is very ...

This ac to dc power supply can output 5A in continous operation and 12A peak current. This kind of dc power supplies uses a PCB so you can use two case types for IC1, TO-220 or TO-3. The regulation of ...

Seasonic has just upgraded its GPU cables for some of its power supply units with upgraded H++ connectors that are compliant with the new PCIe Gen5 and ATX3 standards. The new 12V-2x6 power connectors ...

[Brandon Fiquett] does a lot of amateur radio communications and needed a rugged portable power supply that he could take with him on the road. He decided to make a 12V power supply out of an antique ...

At eTeknix we take the power supply testing procedure very seriously. For all power supply reviews we used a variety of Chroma machines and other digital power machinery provided by Enermax in their ...

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 ...