% Author: Dr. Matthias Jung, DL9MJ
% Year: 2021
\begin{circuitikz}
    \draw (1.5,0) node[npn, tr circle](Q1){};
    \draw (Q1.G) node[anchor=east ](){+1,4\,V};
    \draw (Q1.D) node[anchor=south](){+5,6\,V};
    \draw (Q1.S) node[anchor=north](){+1,4\,V};
\end{circuitikz}