Example: TeXtronics oscilloscope

Published 2012-01-11 | Author: Hugues Vermeiren

The TeXtronics oscilloscope! It is a basic 2-channels oscilloscope, the kind of machine most students have used in their labs.

Ideally, it should be parameterized so as to be able to easily change the signals and the positions of the different controls.

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TeXtronics oscilloscope

Do you have a question regarding this example, TikZ or LaTeX in general? Just ask in the LaTeX Forum.
Oder frag auf Deutsch auf TeXwelt.de. En français: TeXnique.fr.

% TeXtronics oscilloscope
% Author: Hugues Vermeiren
\documentclass[a4paper,12pt,oneside]{article}
\usepackage{tikz}
\begin{document}
\def\scl{0.6}%scaling factor of the picture
\begin{tikzpicture}[
  scale=\scl,
  controlpanels/.style={yellow!30!brown!20!,rounded corners,draw=black,thick},
  screen/.style={green!50!black!60!,draw=black,thick},
  trace/.style={green!60!yellow!40!, ultra thick},
  smallbutton/.style={white,draw=black, thick},
  axes/.style={thick}]
  \fill[green!30!blue!30!,rounded corners,draw=black,thick](0,0)
    rectangle (27.75,13.25);
  \fill[fill=black!40!,draw=black,thick,rounded corners](0.25,0.25)
    rectangle (27.5,13.00);
  % Screen, centered around the origin then shifted for easy plotting
  \begin{scope}[xshift=7cm,yshift=8cm,samples=150]
    \fill[black!60!,rounded corners,draw=black,thick](-5.3,-4.3)
      rectangle (5.3,4.3);
    \fill[screen] (-5.0,-4.0) rectangle (5.0,4.0);
    \draw[trace] plot(\x,{1+2.4*sin((2.5*\x +1) r)}); % r for radians...
    \draw[trace] plot(\x,{-1+1.25*sin((0.75*\x) r});
    \draw[thin] (-5.0,-4.0) grid (5.0,4.0);
    \draw[axes] (-5,0)--(5,0); % Time axis
    \draw[axes] (0,-4)--(0,4);
    \foreach \i in {-4.8,-4.6,...,4.8} \draw (\i,-0.1)--(\i,0.1);
    \foreach \i in {-3.8,-3.6,...,3.8} \draw (-0.1,\i)--(0.1,\i);
  \end{scope}
  % Feet
  \fill[black!70!,rounded corners,xshift=2cm] (0,-.5) rectangle (2,0);
  \fill[black!70!,rounded corners,xshift=23.75cm] (0,-.5) rectangle (2,0);
  % Lower left panel
  \fill[controlpanels] (0.6,0.5) rectangle (13.5,3.0);
  \path (0.8,0.9) node[scale=\scl,right]{$\mathbf{TeXtronics\,1 - v.1.01}$};
  % Lower right panel
  \fill[controlpanels] (13.7,0.5) rectangle (27.1,6.2);
  %Channels
  % CH I
  \draw[thick] (14.8,1.5) circle (0.7cm);
  \fill[gray,draw=black,thick] (14.8,1.5) circle (0.5cm);
  \fill[white,draw=black,thick] (14.8,1.5) circle (0.3cm);
  \node[scale={1.5*\scl}] at (14.8,2.5) {CH I};
  \draw[thick] (16.2,1.5) circle (0.4cm);
  \fill[black!60!] (16.2,1.5) circle (0.3cm);
  \draw[thick] (16.6,1.5) --(17,1.5)--(17,1.0);
  \draw[thick] (16.7,1.0)--(17.3,1.0);
  \draw[thick] (16.8,0.85)--(17.2,0.85);
  \draw[thick] (16.9,0.70)--(17.1,0.70);
  \draw[thick] (26.0,1.5) circle (0.7cm);
  % CH II
  \fill[gray,draw=black,thick] (26,1.5) circle (0.5cm);
  \fill[white,draw=black,thick] (26,1.5) circle (0.3cm);
  \node[scale={1.5*\scl}] at (26,2.5) {CH II};
  \draw[thick] (24.6,1.5) circle (0.4cm);
  \fill[black!60!] (24.6,1.5) circle (0.3cm);
  \draw[thick] (24.2,1.5) --(23.7,1.5)--(23.7,1.0);
  \draw[thick] (23.4,1.0)--(24.0,1.0);
  \draw[thick] (23.5,0.85)--(23.9,0.85);
  \draw[thick] (23.6,0.70)--(23.8,0.70);
  \draw[thick] (26.0,1.5) circle (0.7cm);
  % Y-pos
  \fill[smallbutton] (14.8,4.9) circle (0.3cm);
  \node[scale={\scl}] at (14.8,5.5) {Y-pos I};
  \fill[smallbutton] (26.0,4.9) circle (0.3cm);
  \node[scale={\scl}] at (26.0,5.5) {Y-pos II};
  % Volt/div the foreach loop draws the two buttons
  \foreach \i / \b in {18/75,22.5/345}{
  %Second parameter of the loop is the angle of the index mark 
  \begin{scope}[xshift=\i cm,yshift=3.8cm,scale=0.85]
    \node[scale=\scl] at (0,2.3) {Volts/Div};
    \node[scale=\scl,black] at (-1,-2.4) {V};
    \node[scale=\scl,blue]  at (1,-2.4) {mV};
    \clip[rounded corners] (-2,-2) rectangle (2,2);
    \fill[black!30!,rounded corners,draw=black,thick] (-2,-2)
      rectangle (2,2);
    \fill[blue!50!black!20!,draw=black,thick]
      (30:1.1)--(30:3)--(3,-3)--(-90:3)--(-90:1.1) arc (-90:30:1.1);
    \draw[very thick,rounded corners](-2,-2) rectangle (2,2);
    \draw[thick] (0,0) circle (1.0);
    \foreach \i in {0,30,...,330}
      \draw[thick] (\i:1.2)--(\i:2.5);
    \foreach \i/\j in {15/50,45/.1,75/.2,105/.5,135/1,165/2,195/5,225/10,
      255/20,285/5,315/10,345/20} \node[scale=\scl,black] at (\i:1.7) {\j};
    \fill[blue!30!black!60!,draw=black,thick] (0,0) circle (0.8cm);
    % Here you set the right Volts/Div button
    \draw[ultra thick,red] (\b:0.3)--(\b:1.2);
  \end{scope}}
% Upper right panel
  \fill[controlpanels] (13.7,6.5) rectangle (27.1,12.75);
  %On-Off button
  \draw[rounded corners,thick,blue] (13.9,10.5) rectangle (15.9,12.5);
  \fill[fill=red,draw=black,thick,rounded corners] (14.4,10.8) rectangle (15.3,11.2);
  \node[scale=\scl] at (14.8,12) {\textbf{Power}};
  \node[scale=\scl] at (14.8,11.5) {\textbf{On/Off}};
  % Focus-Intensity buttons
  \draw[rounded corners,thick,blue] (13.9,7.0) rectangle (15.9,10.0);
  \fill[smallbutton] (14.9,7.5) circle (0.3cm);
  \node[scale=\scl] at (14.9,8.2) {\textbf{Focus}};
  \fill[smallbutton] (14.9,9) circle (0.3cm);
  \node[scale=\scl] at (14.9,9.6) {\textbf{Intens}};
  % X-pos
  \fill[smallbutton] (24.5,9.9) circle (0.3cm);
  \node[scale={\scl}] at (24.5,10.5) {X-pos};
  % Time/Div
  \begin{scope}[xshift=21cm,yshift=9.5cm,scale=1]
    \node[scale={1.25*\scl}]  at (0,2.4) {Time/Div};
    \clip[rounded corners] (-2.2,-2) rectangle (2.2,2);
    \fill[black!30!,rounded corners,draw=black,thick] (-2.2,-2) rectangle (2.2,2);
    \fill[blue!50!black!20!,draw=black,thick]
      (45:1.1)--(45:3)--(3,-3)--(-90:3)--(-90:1.1) arc (-90:45:1.1);
    \fill[green!50!black!40!,draw=black,thick]
      (45:1.1)--(45:3) arc(45:207:3) --(207:1.1) arc (207:45:1.1);
    \draw[very thick,rounded corners](-2.2,-2) rectangle (2.2,2);
    \node[scale={1.25*\scl}] at (-1.6,-1.6) {$s$};
    \node[scale={1.25*\scl}] at (1.6,-1.6) {$\mu{}\,s$};
    \node[scale={1.25*\scl}] at (-1.6,1.6) {$m\,s$};
    \draw[thick] (0,0) circle (1.0);
    \foreach \i in {-72,-54,...,262} \draw[thick] (\i:1.15)--(\i:1.35);
    \foreach \i/\j in {-72/.5,-54/1,-36/2,-18/5,0/10,18/20,36/50,54/.1,72/.2,90/.5,
      108/1,126/2,144/5,162/10,180/20,198/50,216/.1,234/.2,252/.5}
      \node[scale=\scl,black] at (\i:1.7){\j};
    \fill[blue!30!black!60!,draw=black,thick] (0,0) circle (0.8cm);
    % Here you set the Time/Div button
    \draw[ultra thick,red] (-18:0.3)--(-18:1.2);	
    % X-pos
  \end{scope}
\end{tikzpicture}
\end{document}

Comments

  • #1 Jimi Oke, January 12, 2012 at 12:11 a.m.

    Wow, fantastic example!

  • #2 Fabian, January 12, 2012 at 6:29 a.m.

    Beautiful!

  • #3 Mark S. Everitt, January 12, 2012 at 11:22 a.m.

    Love it! I resorted to using a graphics package for a diagram of a Gigatronics microwave synth a couple of years ago, and this makes me wish I'd put the effort in with TikZ.

  • #4 Joe Labi, January 13, 2012 at 9:31 a.m.

    Great! Keep on!

  • #5 yves Akakpo, September 8, 2012 at 2:38 a.m.

    Magnifique. Impressionnant.

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