% Author: Dr. Matthias Jung, DL9MJ
% Year: 2020
\begin{circuitikz}
    \ctikzset{
        blocks/scale=\getDarcImageFactor,
        RF/scale=\getDarcImageFactor,
        misc/scale=\getDarcImageFactor
    }
    \draw(0,0)
        node[antenna](ant){};
    \draw(ant)
        to [short] ++(0.5,0) node[inputarrow] {}
        node [ampshape,boxed,anchor=west](amp1){};
    \draw(amp1.east)
        to [short] ++(0.5,0) node[inputarrow] {}
        node [mixer, boxed, anchor=west](mix){};
    \draw(mix.east)
        to [short] ++(0.5,0) node[inputarrow] {}
        node [ampshape,boxed,anchor=west](amp2){};
    \draw(amp2.east)
        to [short] ++(0.5,0) node[inputarrow] {}
        node [detectorshape,anchor=west](demod){};
    \draw(demod.east)
        to [short] ++(0.5,0) node[inputarrow] {}
        node [ampshape,boxed,anchor=west](amp3){};
    \draw(amp3.east)
        to [short] ++(0.5,0) node[inputarrow] {}
        node [loudspeakershape,rotate=-90,anchor=south](spk){};
    \draw(mix.south)
        node[inputarrow, rotate=90](){}
        to [short] ++(0,-0.5)
        node[allpassshape, anchor=north](allp1){};
    \draw(demod.south)
        node[inputarrow, rotate=90](){}
        to [short] ++(0,-0.5)
        node[allpassshape, anchor=north](allp2){};

    \draw[-Triangle](allp1.center) to [short] ++(0.2,0.3);
    \draw(allp1.center) to [short] ++(-0.2,-0.3);

    \draw(amp1.south)  node[anchor=north](){HF};
    \draw(mix.north)   node[anchor=south](){Mischer};
    \draw(amp2.south)  node[anchor=north](){ZF};
    \draw(demod.north) node[anchor=south](){Demodulator};
    \draw(amp3.south)  node[anchor=north](){NF};
    \draw(allp1.east)  node[anchor=west ](){VFO};
    \draw(allp2.east)  node[anchor=west ](){BFO};
\end{circuitikz}