% Author: Stephan Kregel, DG1HXJ
% Year: 2022
\begin{circuitikz}[european]
	\draw (0,0) node[ocirc]{} to [short, o-] ++(1,0) coordinate(r1);
	\draw (r1)
    	to [short, *-] ++(0,1) 
		to [C=$C_1$] ++(2,0)
		to [C=$C_2$] ++(2,0)
		to [short, -*] ++(0,-1) coordinate(r2) -- ++(1,0) to node[ocirc]{} ++(0,0) ;
	\draw (r1) -- ++(0,-1) to [C=$C_3$] ++(4,0) -- ++(0,1);
\end{circuitikz}