% Author: Dr. Matthias Jung, DL9MJ
% Year: 2022
\begin{circuitikz}
    \ctikzset{
        blocks/scale=\getDarcImageFactor,
        RF/scale=\getDarcImageFactor,
        misc/scale=\getDarcImageFactor
    }
    \draw(0,0)
        node[antenna](){}
        to [amp, box, name={amp1}, >] ++(2,0)
        node [mixer, box, anchor=west](mix){};

    \draw(mix.right up)
        to [short] ++(0.5,0)
        |- ++(0.5,1)
        node[inputarrow](){}
        node[lowpassshape, anchor=west](lp1){};
    \draw(lp1.east)
        to [short] ++(0.5,0)
        node[inputarrow](){}
        node [adcshape, anchor=west](adc1){};

    \draw(mix.right down)
        to [short] ++(0.5,0)
        |- ++(0.5,-1)
        node[inputarrow](){}
        node[lowpassshape, anchor=west](lp2){};
    \draw(lp2.east)
        to [short] ++(0.5,0)
        node[inputarrow](){}
        node [adcshape, anchor=west](adc2){};

    \draw(adc1.east) ++(1,0) coordinate(h1)
        (h1|-mix.west)
        node[twoportshape, anchor=west, t={\large ?}](question){};

    \draw(adc1.east) 
        to [short] ++(0.5,0)
        |- (question.left up)
        node[inputarrow](){};

    \draw(adc2.east) 
        to [short] ++(0.5,0)
        |- (question.left down)
        node[inputarrow](){};

    \draw(question.east)
        to [dac, >] ++(2,0)
        node[inputarrow](){}
        node[ampshape, box, anchor=west](amp2){};

    \draw(amp2.east)
        to [short] ++(0.5,0)
        node[inputarrow](){}
        node [loudspeakershape, rotate=-90, anchor=south](){};

    \draw(mix.south)
        to [short] ++(0,-1)
        node[qgeneratorshape, t={G}, anchor=north](){};

    \draw(mix.north)
        node[anchor=south](){IQ};
\end{circuitikz}