Category: PSU

EPA ENERGY STAR 5 POWER SAVINGS

As the number of personal computers grew in the early 1980s the EPA stepped in with some initiatives to help reduce the need for additional expensive power plants. Acid rain was the main motivator as coal was still the primary source of power in the late 1970s. Originally in the 1980s the CRT VGA monitor …

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INSIDE THE POWER SUPPLY

power mosfet

The power supply has evolved over time however the basic technology has remained the same. Most of the changes over the years were driven by many different forces. BRIDGE RECTIFIER It takes 4 power diodes to covert the 115V AC to about 150V DC.  The reason the voltage is higher is that DC is based …

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