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This is my first stab at the input amplifier for the Archaeology Resistance Meter Project. It's tagged as armp   Overview The schematic has (almost) no component values but I shall talk about them in the text. All two terminal components are in 0603 packages unless marked otherwise.   A better print of the schematic is uploaded as a .pdf in Open Source Hardware   The original plan was that the maximum possible (working) input voltage would be +/- 15V but comments from dav ...

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