[sdiy] op amp phase inversion

[René Schmitz]

Czech Martin wrote:
> i'll double check.
> The 071 I used has no strong limit on common mode.
> Maybe I've read a wrong number.
> 
> Of course, it can be cured with two zeners and two low
> leakage diodes. But I want to avoid this, if I can

I would resort to such measures only if there is no other way. Ask 
yourself rather: Why would there be a chance that the inputs end up near 
the rails in the application?

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159