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> > Also, I took a look at the schematic. According to the aboveThese are drawn according to that convention, with the negative input
> > website, this module uses 0 - 10V, and I wanted to see how easily it
> > could be adapted to the -5V/+5V that MOTM generally uses. It looks
> > like all the op-amp outputs are wired as comparators (ie. with
> > positive feedback). If that is a mistake, perhaps it should be
> > corrected.
>
>Orcad library op-amp symbols have the minus input on the bottom, and
>the positive input on the top, don't ask me why. Don't assume
>op-amp symbols are always drawn with the negative input on top, it
>has become conventional recently, but different schematic software
>may not follow that convention, and there are no regulatory bodies.