\chapter{Dessins}


\begin{figure}[h]
\begin{center}
\begin{circuitikz}[european resistors]
\draw
(4,3.5) node[op amp](opamp){}
(2,0) node[ground]{} -- (2,1) to[V=$V_{in}$, *-] (2,3) -- (opamp.+)
(opamp.-) -- (2,4) to[short] (2,5.5) to[R, l_=$Z_1$,  *-] (0,5.5) to[short, i=$I_1$] (0,0) node[ground]{}
(2,5.5) to[R, l=$Z_2$] (5,5.5) to[short, i=$I_0$] (5, 3.5) -- (opamp.out)
(5,3.5) to[short, -o] (6,3.5) node[anchor=south west]{$+$}
(2,1) to[short, -o] (6, 1) node[anchor=south west]{$-$}
% Annotations supplémentaires
(2,4.75) node[anchor=west]{$I=0$}
(1,5.1) node[anchor=north]{$E_1$}
(2,3.85) -- node[currarrow, sloped,  allow upside down, pos=1] {} (2,3.25)
(2,3.5) node[anchor=west]{$E_{in}$}
(6,1.15) -- node[currarrow, sloped,  allow upside down, pos=1] {} (6,3.25)
(0.2,5) -- node[currarrow, sloped,  allow upside down, pos=1] {} (1.8,5)
(6,2.2) node[anchor=west]{$E_{out}$}
;
\end{circuitikz}
\end{center}
\caption{Circuit non-inverseur}
\end{figure}


\begin{figure}[h]
\begin{center}
\begin{circuitikz}[european resistors]
\draw
(0,0) -- node[currarrow, sloped,  allow upside down, pos=1] {} (0,4);
\draw(2,0) -- node[currarrow, sloped, pos=1] {} (2,4)
;
\end{circuitikz}
\end{center}
\caption{Circuit non-inverseur}
\end{figure}




\begin{circuitikz} 
  \draw (0,0) node[op amp] (opamp1) {}
  (opamp1.+) node[left ] {$e_+$}
  (opamp1.-) node[left ] {$e_-$};
  \draw (3,0) node[op amp,yscale=-1] (opamp2) {}
  (opamp2.+) node[left ] {$e_+$}
  (opamp2.-) node[left ] {$e_-$};
  \draw (6,0) node[op amp,xscale=-1] (opamp2) {}
  (opamp2.+) node[right ] {$e_+$}
  (opamp2.-) node[right] {$e_-$};
\end{circuitikz}
