50 lines
1.6 KiB
TeX
50 lines
1.6 KiB
TeX
% Dr. Matthias Jung (DL9MJ)
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% 2022
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\begin{circuitikz}
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\coordinate(init) at (0,0);
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\draw (init)++(7,3) node[npn, name=T1, tr circle] {} ++(0,0);
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\draw (init)
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to [american inductor, inductors/coils=4 , inductors/width=1] ++(0,2) -- ++(0,1) -- ++(1.5,0) to node[circ, name=c1a]{} ++(0,0)
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to [vC,tunable end arrow={Triangle}, invert, o-*]++(0,-4);
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\draw (init)
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-- ++(0,-1)
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-- ++(1.5,0) coordinate(c1b);
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\draw (c1a)
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to node[short, .-.]{} ++(1.5,0) coordinate(c3a)
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to [C, *-*] ++(0,-2) coordinate(c3b)
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to [C, *-*] ++(0,-2) coordinate(c4b);
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\draw (c1b) -- (c4b);
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\draw (c3a)
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to [C, *-*] ++(2,0) coordinate(c2b);
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\draw (c4b)
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-- ++(2,0) coordinate(r3a)
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to [R, *-] ++(0,2)
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-- (c2b)
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to [R, *-] ++(0,3) node[ocirc, name=r4b]{} -- ++(-2,0)
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to [C] ++(0,-1) node[rground]{};
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\draw (r4b)
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-- ++(2,0) coordinate(t1a)
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-- (T1.C);
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\draw (t1a)
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to [R, *-] ++(2,0)
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node[ocirc, name=vcc]{};
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\draw (c2b)
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-- ++(0.75,0)
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node[ocirc, name=c]{}
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to (T1.B);
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\draw (c3b) -- ++(4,0)
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node[ocirc, name=r2a]{}
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to [R, -*] ++(0,-2) coordinate(r2b)
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node[rground]{};
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\draw (r2a) -- (T1.E);
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\draw (r3a) -- (r2b);
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\draw (r2b)
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-- ++(2,0)
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node[ocirc, name=gnd]{};
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\draw (gnd) node[anchor=south]{--};
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\draw (vcc) node[anchor=north]{+};
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\draw (c1a) node[anchor=south]{\textbf{A}};
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\draw (r4b) node[anchor=south]{\textbf{B}};
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\draw (c) node[anchor=south]{\textbf{C}};
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\draw (r2a) node[anchor=west ]{\textbf{D}};
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\end{circuitikz} |