% Author: Dr. Matthias Jung, DL9MJ % Year: 2021 \begin{circuitikz} \ctikzset{ capacitors/scale=\getDarcImageFactor, inductors/scale=\getDarcImageFactor, RF/scale=\getDarcImageFactor, } \draw (1.5,2) node[tlineshape, anchor=east](bar){} to [american inductor, inductors/coils=3 , inductors/width=0.60, name={lo}, mirror] ++ (1.5,0) coordinate(x5) to [tline, name={tl2}, bipoles/tline/width=1.0] ++(2,0) coordinate(c1) to [short] ++(0.5,0) to [american inductor, inductors/coils=2 , inductors/width=0.45] ++(0,-1) coordinate(x0); \draw [dashed] (bar.west) -- ++(-0.5,0); \draw (c1) to [C, capacitors/scale=0.5, *-*, name={h4}] (c1|-x0) coordinate(x2); \draw (bar.bottom right) to [short, *-] (bar.bottom right|-x0) coordinate(x1) to [short] (x1-|bar.east) coordinate(x6) to [american inductor, inductors/coils=3 , inductors/width=0.60, name={lu}] (x6-|x5) -| (tl2.bottom left) to [short, -*] ++(0,0); \draw(tl2.bottom right) to [short, -*] ++(0,0) |- (x2) to [short, -*] (x0) to [short, name={h1}] ++(0.75,0) coordinate(z) to [american inductor, inductors/coils=14, inductors/width=3.25, name={l2}] ++(0,5) coordinate(feed); \draw[very thick] (feed) -- ++ (5.5,0) coordinate(end); \draw[dashed] (l2.core west-|h1.center) coordinate(h2) to [short] (h2|-l2.core east); \draw[dashed] (lo.core west|-h4.center) coordinate(h3) to [short] (h3-|lo.core east); \DARCmeasure{feed}{end}{0,1.1}{0}{$\approx\frac{\lambda}{2}$} \DARCmeasure[black][top]{tl2.top left}{tl2.top right}{0,0.5}{0}{$\qty{0,05}\cdot\lambda$} \draw (lu.south) node[anchor=north]{\small{MWS}}; \draw (bar.north) node[anchor=south]{\small{$\qty{50}{\ohm}$}}; \draw (l2.south) node[anchor=west]{\small{ΓΌ~=~${1}:{7}$}}; \end{circuitikz}