Re: [SI-LIST] : modeling languages (was: receiver jitter)

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From: Kim Helliwell (khelliwe@acuson.com)
Date: Fri Jan 21 2000 - 13:07:05 PST


That's pretty much what I thought you meant. I know of
a SPICE-like simulator that does most of that (in fact,
I worked on it in a former career).

Unfortunately it's not an SI-centric simulator (does
not have lossy couple transmission lines, for example)
and it's not directly available on the market. It's
not impossible to get hold of, but there's little current
support for it because it's an orphaned part of a larger
software package.

I don't know why other simulator suppliers haven't tried
to duplicate this sort of thing. As far as I'm aware,
HSPICE has nothing close to this, and I don't know about
PSPICE, but I don't think it does either. Cadence's Spectre
has HDL (in various flavors) but, while SpectreHDL is
very powerful, there's a fairly steep learning curve to
use it effectively. I don't think anyone comes close
to the AWB/SpicePlus implementation of behavioral sources
for power plus ease of use.

Pretty good for an essentially defunct product!

"C. Kumar" wrote:
>
> I meant the type mix is too elaborate. You need a
> generic voltage and a current source with the
> capability to add delay. For describing them very
> generally you will need to implement powerfull
> expressions and multidimensional tables and event
> trigger mechanism. S parameter and Laplace data types
> will be usefull pluses.
>
> The expressions should include logical 'if else' and
> derivatives.
>
> With this mix you may be able to completely obselate
> mega polynomial data typoes and other special key
> words like current controlled current source i.e F and
> H elements.
>
> With these sources in my kitty it is possible to build
> compact, accurate, elegant and powerful behavior
> models.
>

-- 
Kim Helliwell
Senior CAE Engineer
Acuson Corporation
Phone: 650 694 5030  FAX: 650 943 7260

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