On Wed, 2011-07-20 at 13:07 -0400, V G wrote:
> On this page http://www.colomar.com/Shavano/intro_opamp2.html the guy tal=
ks
> about a ground reference resistor (10k), attached to the output of the
> opamp.
>=20
> Why is it needed? What is he talking about when he says "ground reference=
"?
> Isn't the opamp signal relative to ground anyway?

The explanation in the text seems pretty clear to me:

"This is to provide a ground reference for the next active device that
this circuit is plugged into."

TTYL

--=20
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