Hi Dave,
> Having spent the day commuting to Raleigh NC from the Boston area, I've
> not canvassed any modeling tool vendors - and thus cannot dispute the
> "none can model solenoid inductors" claim. But you make an important
> point: if a modeling tool allows one to provide models of
> user-defined-devices, then one can home-brew an accurate model of a
> solenoid inductor and model with confidence.
Don't misquote me please. I said none of the programs I've seen
work accurately to represent large inductors, and said I haven't
seen all of them.
> > There is no cure all. I have encountered amplifiers that required
> parasitic
> > suppressors, and I have encountered amplifiers that were destabilised by
> > same. I have never encountered an amplifier that a model showed as
> > stable that oscillated. And every amplifier that I've seen oscillate
> > has been predicted to do so, or be close to doing so, via modelling.
>
> Are you using a commercial modeling program, or rolling your
own?
I barely can use basic. All my own programs are on mathcad or in
basic. The modeling programs I have tried were written by others.
73, Tom W8JI
w8ji@contesting.com
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