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Created November 21, 2012
Last modified March 07, 2014
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Description

I found some software (http://www.zeitnitz.de/Christian/scope_en) so you can use the sound card on a regular computer as a two channel slow oscilloscope. The sound card works from about +-.7V so I need a circuit that will condition a signal into that range, also I need some voltage overload protection. The AD620 is so I can measure voltages on both channels that don't have the same ground, some sort of ground isolation I figure this would work.


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