% Author: Prof. Dr. Matthias Jung, DL9MJ
% Year: 2024
\begin{circuitikz}
    \draw(0,3)
        coordinate(i1)
        to [short,o-*] ++(1,0) coordinate(c1)
        to [american inductor, -*] ++(2,0) coordinate(c2)
        to [short,-o] ++(1,0) coordinate(o1);
    \draw(c1)
        to [vC, tunable start arrow={Triangle[angle=60:6pt]}, tunable end arrow={}] ++(0,-3) coordinate(x1)
        to [short,-*] ++(1,0);
    \draw(c2)
        to [vC, tunable start arrow={Triangle[angle=60:6pt]}, tunable end arrow={}] ++(0,-3) coordinate(x2)
        to [short] ++(-1,0)
        node[ground]{};
    \draw(x2) to [short, *-o] (x2-|i1) coordinate(i2);
    \draw(x1) to [short, *-o] (x1-|o1) coordinate(o2);
    \draw(i1) to [open, name={i3}] (i2);
    \draw(o1) to [open, name={o3}] (o2);
    \draw(i3.center) node[](){TRX};
    \draw(o3.center) node[](){ANT};
\end{circuitikz}