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  1. M

    Resonant power supply

    I know this kind of power supply are more difficult than hard switching In my testings the current flowing in primary transformer (ETD49) when i connect a load in secondary side, looks like this With no load, the current looks like this in the primary side While the current looks like those...
  2. M

    Resonant power supply

    What do you think about those power supplies, ZCS in particular ? Did someone try one ? If so, please share with us your experience Any sugestion is apreciated
  3. M

    600W SMPS with IR2153 and 2xATX transformer

    Here is my latest power supply with IR2153 and 2 transformars salvage from cheap ATX power supply Few years ago i saw an experiment with IR2153 and 2 x transformer ATX on 320volt.com and i decidet to try it Of course this power supply has a short circuit and/or overload protection with a current...
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