% Author: Stephan Kregel, DG1HXJ
% Year: 2021
\begin{circuitikz}[european]
    \draw (-1,-0.5) to [C,o-] (1,-0.5);
    \draw (5,-3) node[anchor=west]{$-$} to [short,o-] (3,-3);
    \draw (3,-0.5) node[npn, tr circle](Q){} ;
    \draw (1,-0.5) to [short, i=$I_\mathrm{B}$] (Q.B);
    \draw (3,3) [R,l=$R_\mathrm{C}$,-*, i_=$I_\mathrm{C}$] to (3,0.5) ;
    \draw (3,3) [short, *-o] to (5,3);
    \draw (5,3) node[anchor=west]{$+$};
    \draw (3,1) to [short](Q.C);
    \draw (3,0.5) to [C,*-o] (5,0.5); %
    \draw (4,-3) node[rground]{} to [open,*-*] (3,-3); %
    \draw (-1,-3) to [short,o-*] (3,-3);
    \draw (Q.E) to [short] (3,-3);
    \draw (2,-0.5) to [open, v={\qty{0,6}{\volt}}, voltage=straight] (2,-3);
    \draw (0,2) node[rground]{} to [C] (0,3);
    \draw (0,3) -- (3,3);
    \draw (1,-0.5) to [R,l_=$R_1$,*-*] (1,3);
\end{circuitikz}