DescriptionOscilloscopesinesquare.jpgOscilloscope showing a triangle (above) and a square wave (below). The upper wave looks a little bit like a sine due
English Oscilloscope screen showing a triangle signal and a rectangular signal German Oszilloskop-Schirm, der ein Dreieckssignal und ein Rechtecksignal
DescriptionOscilloscopesinesquare pt.jpgOscilloscope showing sine and square waves Date Xato 19:06, 1 April 2008 (UTC) Source Own work Author Xato Other