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50ohm-contents-dl/contents/drawings/1025.tex
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% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2026
\begin{circuitikz}
\draw(0,0)
to [C, color=DARCred, DARCred, o-] ++(2,0) coordinate(s1)
to [european resistor, color=DARCblue, DARCblue] ++(0,-2) coordinate(s2)
to [short, -o] ++(-2,0) coordinate(s3);
\draw(s1) to [short, *-o] ++(2,0) coordinate(s4);
\draw(s2) to [short, *-o] ++(2,0) coordinate(s5);
%
\draw[DARCblue, -Triangle](s2) to [open] ++(0.5,0.5) coordinate(s6) -- ++(0,1) node[above]{$R$};
\draw[DARCblue, -Triangle](s6) -- ++(1,0) node[right]{$f$};
\draw[DARCblue, very thick] (s6) to [open] ++(0,0.5) -- ++(1,0);
%
\draw[DARCred, -Triangle](s3) to [open] ++(0.5,0.5) coordinate(s7) -- ++(0,1) node[above]{$X_C$};
\draw[DARCred, -Triangle](s7) -- ++(1,0) node[right]{$f$};
%
\begin{scope}[shift={($(0,0)+(s7)$)}]
\draw[DARCred, very thick]
(0.1,0.9) .. controls (0.1,0.4) and (0.4,0.1) .. (0.9,0.1);
\end{scope}
\end{circuitikz}