how to get +-9 voltage

Thread Starter

Mr.sony

Joined Jan 2, 2006
2
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 +.
 
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