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50ohm-contents-dl/contents/drawings/1020.tex
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% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2025
\begin{circuitikz}
\draw(0,0) coordinate(s00)
to [short, o-] ++(1,0) coordinate(s01)
to [european resistor, l_=$R_1$] ++(0,-2) coordinate(s02)
to [european resistor, l_=$R_2$] ++(0,-2) coordinate(s03)
to [short, -o] ++(-1,0) coordinate(s05);
\draw(s02) to [short, *-o] ++(1,0) coordinate(s04);
\draw(s03) to [short, *-o] ++(1,0) coordinate(s06);
%
\draw(s01)
to [open] ++(1.75,0) coordinate(s10)
to [short, o-] ++(1,0) coordinate(s11)
to [european resistor, l_={$R_1$}] ++(0,-2) coordinate(s12)
to [C, l_={$C_1$}] ++(0,-2) coordinate(s13)
to [short, -o] ++(-1,0) coordinate(s15);
\draw(s12) to [short, *-o] ++(1,0) coordinate(s14);
\draw(s13) to [short, *-o] ++(1,0) coordinate(s16);
%
\draw(s14)
to [open] ++(0.75,0) coordinate(s20)
to [european resistor, l={$R_1$}, o-] ++(2,0) coordinate(s22)
to [C, l_={$C_1$}] ++(0,-2) coordinate(s23)
to [short, -o] ++(-2,0) coordinate(s25);
\draw(s22) to [short, *-o] ++(1,0) coordinate(s24);
\draw(s23) to [short, *-o] ++(1,0) coordinate(s26);
%
\path(s01) -- (s04) node[midway,draw,circle,anchor=west] {1};
\path(s11) -- (s14) node[midway,draw,circle,anchor=west] {2};
\draw(s22) ++(0,0.25) node[draw,circle,anchor=south](){3};
%
\draw[color=DARCblue](s00) to [open, v^=$U_{E}$] (s05);
\draw[color=DARCblue](s04) to [open, v_=$U_{A}$] (s06);
\draw[color=DARCblue](s10) to [open, v^=$U_{E}$] (s15);
\draw[color=DARCblue](s14) to [open, v_=$U_{A}$] (s16);
\draw[color=DARCblue](s20) to [open, v^=$U_{E}$] (s25);
\draw[color=DARCblue](s24) to [open, v_=$U_{A}$] (s26);
\end{circuitikz}