44 lines
1.4 KiB
TeX
44 lines
1.4 KiB
TeX
% Author: Stephan Kregel, DG1HXJ
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% Year: 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) coordinate(c1a)
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to [vC, tunable end arrow={Bar}, invert, *-*]++(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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-- ++(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) 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) -- (c2b)
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to [R, *-*] ++(0,3) coordinate(r4b) -- ++(-2,0)
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to [C,] ++(0,-1) to node[rground]{} ++(0,0);
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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) to (T1.B);
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\draw (c3b)
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-- ++(4,0) coordinate(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 (r2a)
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to [C, *-] ++(2,0)
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node[ocirc, name=out]{};
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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=north]{--};
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\draw (vcc) node[anchor=south]{+};
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\end{circuitikz} |