[sdiy] RMS converter schematics

[Byron G. Jacquot]

>Is the Sergio Franco book "Design with Operational Amplifiers and Analog Integrated Circuits"?
>
>Sounds like the sort of thing I'm after as I'm looking to build it from scratch - not using dedicated RMS chips.


You might also try a google images search...lots of candidates there, not too far from the DBX for Franco circuits.  I see a bunch of copies of one that's obviously from a Nat Semi app note:

http://www.tradeofic.com/Circuit/2527-TRUE_RMS_DETECTOR.html

-B