% Author: Michael Groni, DB7YI
% Year: 2023
\begin{tikzpicture}

	\tikzstyle{digitalNumber}=[draw=DARCgray, fill=white, minimum width=1, minimum height=0.5, rounded corners=1, font=\bfseries]
	\def\yNumbers{-5.2}

	\begin{axis}[
		axis lines=middle,
        width=\linewidth*\getDarcImageFactor,
        height=4cm,
        scale only axis,
		yticklabel=\empty, ytick={},
		xticklabel=\empty, xtick distance=10*360, xmajorgrids,
		scaled ticks=false,
		clip=false,
		xlabel={$t$},xlabel style={anchor=north}, ylabel={$U$}, ylabel style={anchor=east}, title=4ASK,
		xmin=0, xmax=14800, ymin=-4.7, ymax=4.7, axis line style={-triangle 60} % xmax: 14800 = 40*360 + 400
	]
		\addplot [ draw=DARCblue, domain=0:3600,      samples=1000 ] {  sin(0.8*x)};
		\addplot [ draw=DARCblue, domain=3600:7200,   samples=1000 ] {2*sin(0.8*x)};
		\addplot [ draw=DARCblue, domain=7200:10800,  samples=1000 ] {3*sin(0.8*x)};
		\addplot [ draw=DARCblue, domain=10800:14400, samples=1000 ] {4*sin(0.8*x)};
		
		\node [digitalNumber] at (axis cs:  5*360, \yNumbers) {00};
		\node [digitalNumber] at (axis cs: 15*360, \yNumbers) {01};
		\node [digitalNumber] at (axis cs: 25*360, \yNumbers) {10};
		\node [digitalNumber] at (axis cs: 35*360, \yNumbers) {11};

	\end{axis};
		
\end{tikzpicture}