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I have an op-amp in my circuit, but I would like the + pole to be above and the - pole to be downward. I don't know how to do that. (Sorry I can't upload an image, it is my first post)

Can anybody help me please?

\begin{circuitikz} \draw
(0,0) node[op amp] (opamp) {}
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up vote 17 down vote accepted

You can use yscale=-1:



  \draw (0,0) node[op amp] (opamp1) {}
  (opamp1.+) node[left ] {$v_+$}
  (opamp1.-) node[left ] {$v_-$};
  \draw (3,0) node[op amp,yscale=-1] (opamp2) {}
  (opamp2.+) node[left ] {$v_+$}
  (opamp2.-) node[left ] {$v_-$};


enter image description here

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