Re: Wanted: LM-709 (Spice model) National Op-Amp

>May be you should read the book I mentioned in my POST,
>and make your own opinion.
> Neil

Perhaps it was too subtle for you, so I'll highlight it for you.
http://groups.google.com/group/sci.electronics.cad/browse_frm/thread/fd9f4d78f037c5d1/c2037bd721acf107?q=anasoft+SuperSpice+Kevin-Aylward

Kevin is not only an engineer; not only a SPICE user;
he in fact PRODUCES a well-known variant.

Because he *maintains* it (read: bug reports),
he is very aware of the shortcommings of it
and he tweaks his software to adapt to those as they arise.

.