XPost: alt.engineering.electrical, sci.electronics.design, sci.e   
   ectronics.repair   
   From: invalid@invalid.net   
      
   > Exactly. Much easier than all these halved supplies, coupling caps and   
   > multiple grounds.   
   >   
   > d   
      
   So, how -- exactly -- would you create that negative voltage?   
      
   Dave   
      
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