From: pcdhSpamMeSenseless@electrooptical.net   
      
   Gerhard Hoffmann  wrote:   
   > Am 30.01.26 um 10:17 schrieb Liz Tuddenham:   
   >   
   >> As the charges injected into a CMOS switch from switching on and   
   >> switching off are usually unequal, could you use a balanced circuit   
   >> which would more-or-less cancel them?   The actual spikes could be   
   >> slugged by a long time constant and the long-term inequalities would   
   >> balance out.  ...or is that gettig too complicated?   
   >   
   > I once had a chopper where it was enough to balance VCC/VEE   
   > (which were not equal!).   
   > Gate switching levels were fixed and came from a Xilinx Coolrunner2.   
   >   
   > Gerhard   
   >   
   >   
      
   The canonical way to do that is by grounding one end of an inductor and   
   switching the other end between VCC and VEE. The duty cycle sets the ratio.   
      
      
   Good for rail splitting, too.   
      
   Cheers   
      
   Phil Hobbs   
      
   --   
   Dr Philip C D Hobbs  Principal Consultant  ElectroOptical Innovations LLC /   
   Hobbs ElectroOptics  Optics, Electro-optics, Photonics, Analog Electronics   
      
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