% Author: Dr. Matthias Jung, DL9MJ
% Year: 2020
\begin{circuitikz}[step=\getDarcImageFactor cm]
    \tikzstyle{help lines}=[black];
    \draw[style=help lines] (0,-3) grid (7,3);
    \draw[ultra thick, black] (0,0) sin (1,2) cos (2,0) sin (3,-2) cos (4,0) sin (5,2) cos (6,0) sin (7,-2);
    \node[anchor=north east]            at (7,-3) {\qty{5}{\milli\second}/Div.};
    \node[anchor=south east, rotate=90] at (0,+3) {\qty{10}{\volt}/Div.};
\end{circuitikz}