31 lines
939 B
TeX
31 lines
939 B
TeX
% Author: Stephan Kregel, DG1HXJ
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% Year: 2021
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% Update 2025: Christoph Fischer, DC6GF
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\begin{circuitikz}[european]
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\draw (-1,-0.5)
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to [C,o-] (1,-0.5);
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\draw (5,-3.5) node[anchor=west]{$-$}
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to [short,o-] (3,-3.5);
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\draw (3,-0.5) node[npn](npn){} (npn.collector)
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to [R,i<^=$I_\mathrm{C}$,l_=$R_\mathrm{C}$,-*] (3,3)
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to [short,-o] (5,3) node[anchor=west]{$+$};
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\draw ($(npn)-(0.18,0)$) circle [radius=14pt];
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\draw (npn.collector)
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to [C,*-o] ++(2,0);
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\draw (3,-3.5) node[rground]{}
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to [open,*-*] (3,-3.5);
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\draw (-1,-3.5)
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to [short,o-*] (3,-3.5)
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to [R,l_=$R_\mathrm{E}$,*-] (3,-1) -- (npn.emitter);
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\draw (0,2) node[rground]{}
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to [C] (0,3) -- (3,3);
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\draw (1,-3.5)
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to [R,l_=$R_2$,*-*] (1,-0.5)
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to [R,l_=$R_1$,*-*] (1,3);
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\draw (npn.B)
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to [short](1,-0.5);
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\draw [ultra thick] (0.75,-0.25) -- ++(0.5,0.5);
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\draw [ultra thick] (1.25,-0.25) -- ++(-0.5,0.5);
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\end{circuitikz}
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