% Author: Dr. Matthias Jung, DL9MJ
% Year: 2022
\begin{circuitikz}
    %\tikzstyle{help lines}=[blue!50];
    %\draw[style=help lines] (0,-1) grid (10,4);
    \ctikzset{
        blocks/scale=\getDarcImageFactor
    }
    \draw (0,0) coordinate(start)
        to [short, o-] ++(1,0) node[inputarrow] {} 
        node [bandpassshape,anchor=west](bp1){};
    \draw (bp1.east)
        to [short] ++(1,0) node[inputarrow] {} 
        node [mixer,boxed,anchor=west](mix){};
    \draw (mix.east)
        to [short] ++(1,0) node[inputarrow] {} 
        node [bandpassshape,anchor=west](bp2){};
    \draw (bp2.east)
        to [short, -o] ++(1,0) coordinate(end);

    \draw(mix.south)
        node[inputarrow, rotate=90] {} 
        to [short, name={l1}] ++(0,-1.5)
        to [short] ++(-0.5,0)
        node [twoportshape, t={PLL}, anchor=east](pll){};
    \draw(pll.west)
        node[inputarrow, rotate=0] {} 
        to [short] ++(-1.0,0)
        node [qgeneratorshape, t={G}, anchor=east](gen){};

    \draw(pll.south)
        node[inputarrow, rotate=90] {} 
        to [short,-o] ++(0,-1)
        node[anchor=west](){Ext. GPSDO};

    \draw(start)     node[anchor=south](){\qty{144}{\mega\hertz}};
    \draw(end)       node[anchor=south](){\qty{2,4}{\giga\hertz}};
    \draw(gen.south) node[anchor=north](){TCXO};
    \draw(gen.north) node[anchor=south](){\qty{10}{\mega\hertz}};
    \draw(l1.center) node[anchor=west] (){\qty{2,256}{\giga\hertz}};
\end{circuitikz}