% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2026
\begin{tikzpicture}
    \draw(0,0)
        node[anchor=east](){E}
        to [short, o-] ++(0.5,0)
        node[inputarrow](){}
        node[lowpassshape, anchor=west, fill=DARCblue!40](anti-alias){};
    \draw(anti-alias.east)
        to [adc, >] ++(2,0)
        node[inputarrow](){}
        node[dspshape, anchor=west](dsp){};
    \draw(dsp.east)
        to [dac, >] ++(2,0)
        node[inputarrow](){}
        node[lowpassshape, anchor=west, fill=DARCred!40](reconstruction){};
    \draw(reconstruction.east)
        to [short, -o] ++(0.5,0)
        node[anchor=west](){A};
    %
    \draw[DARCblue] (anti-alias.north) node[above](){Anti-aliasing};
    \draw[DARCred] (reconstruction.north) node[above](){Rekonstruktions};
    %
    \draw[DARCblue] (anti-alias.south) node[below](){Filter};
    \draw[DARCred] (reconstruction.south) node[below](){Filter};
\end{tikzpicture}