% Author: Dr. Matthias Jung, DL9MJ % Stephan Kregel, DG1HXJ % Year: 2022 \begin{circuitikz}[american] \tikzset{% thick arrow/.style={ -{Triangle[angle=90:2pt 1]}, line width=0.5cm, draw=gray!30 }, thicker arrow/.style={ -{Triangle[angle=90:2pt 1]}, line width=1cm, draw=gray!30 }, circuitikz/resistors/scale=\getDarcImageFactor, circuitikz/sources/scale=\getDarcImageFactor } \draw (0,1) coordinate(I1) to [sV, l2_={$R_\mathrm{L}$} and \qty{50}{\ohm}, name={gen}] ++(0,-3) coordinate(I2) ; \draw (I1) to [short, -*] ++(2.5,0) coordinate(C0) to [european resistor, l={$R_\mathrm{2}$}] ++(2,0) coordinate(C1); \draw (C0) to [european resistor, l={$R_\mathrm{1}$}] ++ (0,-3) to [short] (I2); \draw(C1) to [european resistor, l_={$R_\mathrm{3}$}, *-*] ++(0,-3); \draw(C1) to [short] ++(2.5,0) to [european resistor, l={$R_\mathrm{L}$}, name={h3}] ++(0,-3) to [short, -*] ++(-2.5,0) to [short, -*, name={h7}] ++(-2,0); \draw (h7.center) node[anchor=north](){Dämpfungsglied}; \draw [thicker arrow] (gen.north) ++(0.25,0) to [short, name={h2}] ++(1.5,0); \draw (h2.center) node[color=black!70]{${P}_\mathrm{IN}$} ; \draw [thick arrow] (h3.south) ++(-1.75,0) to [short, name={h4}] ++(1.5,0); \draw (h4.center) node[color=black!70]{${P}_\mathrm{OUT}$} ; \end{circuitikz}