% Author: Dr. Matthias Jung, DL9MJ % Year: 2020 \begin{circuitikz} \ctikzset{ resistors/scale=\getDarcImageFactor } \draw (0,10) node[bnc](B1){} to [short] ++(5,0) coordinate(oa1) to [open] ++(2,0) coordinate(oa2) to [short] ++(1,0) coordinate(c0); \draw[dashed] (oa1) -- (oa2); \draw (1.5,10) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}},*-] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}},-*] ++(0,-2); \draw (3.0,10) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}},*-] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}},-*] ++(0,-2); \draw (4.5,10) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}},*-] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}},-*] ++(0,-2); \draw (c0) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) to [R,l_={\rotatebox[origin=c]{90}{\qty{150}{\ohm}}}] ++(0,-2) coordinate(c1); \draw (B1.shield) to [short] (B1.shield|-c1) to [short] ++(5,0) coordinate(ob1) to [open] ++(2,0) coordinate(ob2) to [short] (c1); \draw[dashed] (ob1) -- (ob2); \draw (B1.north) node[anchor=south](){E}; \end{circuitikz}