39 lines
1.7 KiB
TeX
39 lines
1.7 KiB
TeX
% Author: Dr. Matthias Jung, DL9MJ
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% Year: 2021
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\begin{circuitikz}
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\ctikzset{
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capacitors/scale=\getDarcImageFactor,
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inductors/scale=\getDarcImageFactor,
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RF/scale=\getDarcImageFactor,
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}
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\draw (1.5,2)
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node[tlineshape, anchor=east](bar){}
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to [american inductor, inductors/coils=3 , inductors/width=0.60, name={lo}, -*, mirror] ++ (2,0) coordinate(c1)
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to [short] ++(0.5,0)
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to [american inductor, inductors/coils=2 , inductors/width=0.45] ++(0,-1) coordinate(x0);
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\draw [dashed] (bar.west) -- ++(-0.5,0);
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\draw (c1) to [C, capacitors/scale=0.5, -*, name={h4}] (c1|-x0) coordinate(x2);
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\draw (bar.bottom right)
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to [short, *-] (bar.bottom right|-x0) coordinate(x1)
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to [short] (x1-|bar.east)
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to [american inductor, inductors/coils=3 , inductors/width=0.60, name={lu}] (x2)
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to [short] (x0)
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to [short, name={h1}] ++(0.75,0) coordinate(z)
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to [american inductor, inductors/coils=14, inductors/width=3.25, *-, name={l2}] ++(0,5) coordinate(feed);
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\draw[very thick] (feed) -- ++ (8,0) coordinate(end);
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\draw[dashed] (l2.core west-|h1.center) coordinate(h2)
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to [short] (h2|-l2.core east);
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\draw[dashed] (lo.core west|-h4.center) coordinate(h3)
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to [short] (h3-|lo.core east);
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\draw[decoration=penciline, decorate, very thick] (z) -- ++(0,-2.5) coordinate(schwanz);
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\DARCmeasure{feed}{end}{0,1}{0}{$\approx\frac{\lambda}{2}$}
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\DARCmeasure{z}{schwanz}{2,0}{-90}{\rotatebox{90}{$\ge\qty{0,05}\cdot\lambda$}}
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\draw (lu.south) node[anchor=north]{MWS};
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\draw (bar.north) node[anchor=south]{$\qty{50}{\ohm}$};
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\draw (l2.south) node[anchor=west]{ü~=~${1}:{7}$};
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\end{circuitikz} |