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Old 5th September 2005, 03:00 PM   #1
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Default Need a precision FW rectifier for measurement?

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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