From: tony.sunnysky@gmail.com   
      
   On Monday, February 3, 2014 2:56:06 AM UTC-5, Patrick Chung wrote:   
   > Online simulation of buck (step-down) DC-DC converter is ready.   
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   > http://www.cirvirlab.com/simulation/smps_buck_converter_online.php   
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   > Read theory of operation:   
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   > http://www.cirvirlab.com/index.php/switching-mode-power-supply   
   129-buck-or-step-down-converter-basics.html   
      
   here's another   
   http://www.cirvirlab.com/simulation/smps_buck_converter_online.php#.UvBG_Pu870c   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)