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5th September 2005, 02:00 PM

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jackinnj is offline

jackinnj

United States

diyAudio Member

Join Date: Apr 2002

Location: Llanddewi Brefi, NJ

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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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