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

Ian Fritz ijfritz at earthlink.net
Thu May 30 03:28:44 CEST 2002


Wow.  Need to stay clear of those folks. Many thanks for the links. This 
was before I was on the list.

   Ian

At 11:55 AM 5/29/2002, Tom May wrote:
>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.




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