Low Cost Isolation Amplifier for Industrial Applications

A Design Idea of mine that appeared in EDN around 2000.  The article appeared with the title ‘Lost Cost . . . ‘ – seems someone got a bit mixed up.  The idea has been referenced in a few papers…

Oscillation Sniffer

No ‘scope?  This simple circuit can help you quicklly see if you have any oscillation problems on your opamp or amplifer circuit. Note, its NOT designed to be connected to high impedance nodes. Oscillation Sniffer by Bonsai  

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