Need a precision FW rectifier for measurement?

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jackinnj

jackinnj

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Joined 2002
tech-diy.com
This is a neat idea from Jose Blanes and Jose Carrasco at the University of Miguel Hernandez in Spain -- it uses a dual rail to rail opamp to divide the signal, and subtract -- much better than some of the precision diode rectifiers:

<url>http://www.edn.com/contents/images/090105di.pdf</url>
 

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