[sdiy] Temperature stable lin-exp converter with a CA3086or CA3046

[Tom May]

Ian Fritz <ijfritz at earthlink.net> writes:

> >Certainly for op-amps, inductors in the feedback path is bad news (unless
> >you specifically design for it) as it can lead to loop instability, such
> >as overshoot.
> 
> Unless the resistor is wound non-inductively. I can't imagine why this
> would not be done. Has anyone actually seen this inductive effect?
> I've had no problems with the old Q81's, but it is certainly something
> to look at when ordering a tempco.

I was pretty sure somebody here had problems with inductance a while
back.  Turns out it was Christopher List in 1996:

http://www.buchi.de/sdiy/ShowPost.ASP?2494
http://www.buchi.de/sdiy/ShowPost.ASP?2542

Tom.