Pro Audio Design Forum

So what platform are you running the old Eagle on?
Will an OS obsolescence eventually force an upgrade?
Some of the stuff I still use runs on XP.
Not much but some.

I think figure 24 intends to show it differentially, though the way its drawn it looks like neither IH or IR pass through the core.



The LM1851 GFI is drawn better.

Thank you for posting this and following up.
I know that I never tried this because, using the 1510/INA217, 1570 etc., there is no access to that node.
With a discrete front end it seems very simple to do.
So you going to share the final schematic when you're done?

Cool!

They still have the two signal layer Freeware: http://www.cadsoftusa.com/download-eagle/freeware/

And there's a $69 version as well. http://www.mcmelectronics.com/manufactu ... E/01008405

There's an interesting test circuit for a GFI in the AD8436 True RMS to DC Converter application note.

http://www.analog.com/static/imported-f ... N-1341.pdf begins on page 11.

http://www.analog.com/media/en/technica ... AD8436.pdf

Have you tried it?

Found this interesting...

http://www.mcmelectronics.com/product/C ... -/83-16546

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I once had the "opportunity" to destroy a big extruded aluminum-encased power resistor burning in a power supply for a little too long. These would not have passed the spit test. When the ceramic body (Beryllium I think) came out of the housing a lot of zinc oxide titanium white heatsink g...