% Author: Dr. Matthias Jung, DL9MJ
% Year: 2022
% Relative Applied
\begin{circuitikz}[
    arrowset/.pic={
        \draw[>=Triangle,->] (0.15,0) -- ++(0,0.35);
        \draw[>=Triangle,<-] (0.30,0) -- ++(0,0.35);
    }
]
\ctikzset{
    resistors/scale=\getDarcImageFactor,
    capacitors/scale=\getDarcImageFactor,
    inductors/scale=\getDarcImageFactor,
    transistors/scale=\getDarcImageFactor,
    RF/scale=\getDarcImageFactor,
    chips/scale=\getDarcImageFactor,
    misc/scale=\getDarcImageFactor,
    multipoles/dipchip/width=1.0,
}
\draw (0,0) node[dipchip, num pins=14, hide numbers, no topmark, external pins width=0](ea){};
\draw(ea.bpin 14) 
    to [C, -*] ++(3.5,0) coordinate(c1)
    to [TL] ++(1.5,0) node[nigfete, anchor=gate, solderdot](T1){};
\draw(T1.east)
    node[rotate=0, anchor=west](){1};

\draw(ea.bpin 8) 
    to [C, -*] ++(3.5,0) coordinate(c2)
    to [TL] ++(1.5,0) node[nigfete, anchor=gate,solderdot, yscale=-1](T2){};
\draw(T2.east)
    node[rotate=0, anchor=west](){2};

\draw(T1.G)
    to [open] ++(2.5,0) % hack :-)
    node[dipchip, num pins=14, hide numbers, no topmark, external pins width=0, anchor=bpin 1](aa){};

% Kondensatoren:
\draw(T1.D)
    to [short] ++(0,1) coordinate(g1)
    to [C, *-] ++(1,0)
    |- (aa.bpin 1);
\draw(T2.D) 
    to [short] ++(0,-1) coordinate(g2)
    to [C, *-] ++(1,0)
    |- (aa.bpin 7);

\draw(aa.bpin 11) 
    to [short] ++(0.5,0) node[bnc, xscale=-1](hfout){};

\draw(hfout.north)
    node[rotate=90, anchor=west] {$\mathrm{HF}_\mathrm{OUT}$};


% Verbindung zwischen T1 und T2:
\draw(T1.S)
    to [short, name=s1] (T2.S); % hack :-)
\draw(s1.center)
    to [short, *-] ++ (-0.5,0) node[rground]{};

% Drehko:
\draw(c1)
    to [vC, tunable end arrow={Bar}, invert] (c2);

% Spulen:
\draw(c1)
    to [american inductor, name=l1] ++(0, 5.0)
    node[genericpotentiometershape, anchor=wiper, rotate=180, wiper end arrow={Triangle[]}](pr1){};
\draw[dashed] (l1.core west) -- (l1.core east);
\draw(pr1.left)
    to [short] ++(0.5,0) node[rground]{};

\draw(c2)
    to [american inductor, name=l4, mirror] ++(0,-4.0)
    node[genericpotentiometershape, anchor=wiper, wiper end arrow={Triangle[]}](pr2){};
\draw[dashed] (l4.core west) -- (l4.core east);
\draw(pr2.right)
    to [short] ++(0.5,0) node[rground]{};

\draw(g1)
    to [american inductor, name=l3, -o] ++(0, 3.5)
    node[above]{+\qty{50}{\volt}};
\draw[dashed] (l3.core west) -- (l3.core east);

\draw(g2)
    to [american inductor, name=l6, mirror, -o] ++(0,-2.5) node[below]{+\qty{50}{\volt}};
\draw[dashed] (l6.core west) -- (l6.core east);

% Potentionmeter mit UBias:
\draw(pr1.right) 
    to [short, -*] ++(-0.50,0) coordinate(c3)
    to [short, -*] ++(-1.25,0) coordinate(c4)
    to [short, -*] ++(-1.25,0) coordinate(c5)
    to [R, -o] ++(-2,0) coordinate(g4)
    ++(0,0.25)
    node[anchor=south west]{$+\qty{5}{\volt}$};

\draw(ea.bpin 4)
    to [short] ++(-0.5,0) node[bnc](bnc1){};
\draw(bnc1.north) 
    node [rotate=90, anchor=west]{$\mathrm{HF}_\mathrm{IN}$}; 

\draw(c3) |- (pr2.left);
\draw(c4)
    to [C] ++(0,-3.5) node [rground]{};
\draw(c5)
    to [R] ++(0,-1.75)
    to [thR, name=R] ++(0,-1.75) node[rground]{};
\draw (R.south west) node[anchor=north east](){$\vartheta$};
\draw (R.south east) ++(-0.5,0) pic {arrowset};

% Beschriftungen:
\draw(ea)  node[rotate=90, align=center](hh1){\scriptsize Eingangs-\\\scriptsize anpassung};
\draw(aa)  node[rotate=90, align=center](hh3){\scriptsize Ausgangs-\\\scriptsize anpassung};
\draw(c3)  node[anchor=south east]{$U_\mathrm{BIAS}$};
\draw(pr1.270) node[above]{$R_4$};
\draw(pr2.270) node[below]{};
\end{circuitikz}