<html><body>Even if it is not used to actually design anything for SDR this free software might help you to gain a greater understanding of what digital signals actually look like and how they interact<br><br><a href="http://www.analog.com/en/content/0,2886,770%255F%255F129273%255F0,00.html">http://www.analog.com/en/content/0,2886,770%255F%255F129273%255F0,00.html</a><br><br>Peter Hughes<br>N7BMG<br>
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