The McGill Physiology Virtual Lab

Biomedical Signals Acquisition

The Process of A to D conversion
( Interactive Applet )
  Enter the number of bits for a hypothetical A/D converter in the box below right.  Draw a waveform (such as a sine wave) by clicking and dragging the mouse over the graph.  A blue line will appear, representing  your trace.  A red line will indicate how the A/D converter represents this signal in digital form.