% Author: Dr. Matthias Jung, DL9MJ
% Year: 2022
\begin{circuitikz}
    \draw(2,0) 
        to [short] ++ (1,0)
        to [twoportsplit, >, l ={\footnotesize Kanalcodierer}] ++(1,0)
        to [short, >] ++ (1,0) node[inputarrow]{};
    %% Decoration:
    \draw (3.35,+0.25) node(){\texttt{01}};
    \draw (3.65,-0.25) node(){\tiny\texttt{0101}};
\end{circuitikz}