how to get +-9 voltage

Discussion in 'General Electronics Chat' started by Mr.sony, Jan 5, 2006.

  1. Mr.sony

    Thread Starter New Member

    Jan 2, 2006
    2
    0
    hi,

    i have a dual power supply, and i want to +-9 voltage for my op-amp, someone told me that i have to connect the - from one part to the + part of the second part to get (-9)( of course both sides are set to 9 voltage) but how can i get the ground and the +.
     
  2. JoeJester

    AAC Fanatic!

    Apr 26, 2005
    3,373
    1,159
    Something like this should work.
     
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