On Fri, Jul 10, 2009 at 9:21 PM, David G. Dixon<dixon at interchange.ubc.ca> wrote: > > I can't see any excuse for such a design. Doesn't that just defeat the > whole point of opamps? > No, It clarifies to Scientists the difference between the science (ideal op-amp theorem) and the real life (opamp parameters - in the actual working circuit) Samppa