ATX power supply; the circuit implements around the <a href="https://en.wikipedia.org/wiki/Microcontroller" class="extiw" title="en:Microcontroller">MCU</a> <i>SG6105</i> by System General Corp. (www.sg.com.tw). This particular PSU seems to be lacking any sort of <a href="https://en.wikipedia.org/wiki/Power_factor#Switched-mode_power_supplies" class="extiw" title="en:Power factor">PFC</a>, passive or active, hence <a href="https://en.wikipedia.org/wiki/Electromagnetic_compatibility" class="extiw" title="en:Electromagnetic compatibility">EMC</a> regulations make it illegal to put this device on the market in various countries!
<a href="//commons.wikimedia.org/wiki/User:Baran_Ivo" class="mw-redirect" title="User:Baran Ivo">Baran Ivo</a>
2007-11-13
<span class="int-own-work" lang="en">Own work</span>