[SI-LIST] Re: Different Spice netlists

Sorry, the comments were not meant to offend. It's good to see
a great sense of humor though. Perhaps what I should have said is that
most netlists made for a particular SPICE will not run in another
SPICE. 

Best Regards,

"Clewell, Craig" wrote:
> 
> Hi Fred,
> 
> You make me sound blonde :>)  Nonetheless, I think we are both saying the
> same thing.
> 
> Craig
> 
> -----Original Message-----
> From: Fred Balistreri [mailto:fred@xxxxxxxxxxxxx]
> Sent: Friday, January 31, 2003 11:28 AM
> To: cclewell@xxxxxxxxxxxxxx
> Cc: 'erno.lahteenmaki@xxxxxxxxx'; si-list@xxxxxxxxxxxxx
> Subject: Re: [SI-LIST] Re: Different Spice netlists
> 
> This response is not totally correct. There are lots of differences
> between different SPICE programs. The most obvious are various versions
> of controlled sources. Although the capability in many SPICE programs
> is the same, the syntax can be quite different. Arbritrary sources can
> also be quite different in syntax. Even the syntax of the
> passive component such as IC resistors, mutual
> inductance coeficient and non-linear capacitance can be quite different.
> While the language is generic the syntax and some capabilities are not.
> 
> Craig is correct that Hspice has some proprietary transistor level
> models.
> Over the years this has distinquished Hspice from other flavors. The
> W element although widely used is not something that other SPICE vendors
> do not have. On the contrary, although not called W element there are
> coupled lossy transimission line models in other SPICE programs.
> Some are rather good and developed long before the now famous W element.
> I do agree that the language of SPICE is generic and many algorithms
> used
> are the same or nearly so. Most SPICE programs are taylored for specific
> applications. Price is also a huge factor when making a choice.
> 
> Best Regards,
> 
> 
> "Clewell, Craig" wrote:
> >
> > Br,
> >
> > NO, there is no difference for generic components.   However, there are
> > subtle differences between HSPICE and a generic Berkley SPICE.  HSPICE has
> > some proprietary level models for some silicon that other flavors do not.
> > They also included the W element which is something that other brands of
> > SPICE do not have.  When you think of SPICE in general you should not only
> > be thinking about your circuit connections, but also that of a programmer
> as
> > well.  SPICE is a "computer" program that describes your circuit behavior.
> > Synopsis (HSPICE) has extended the language to include some of their own
> > syntax.  Other SPICE vendors have done this as well.
> >
> > If you buy a book on SPICE most of the "generic language" will be
> described.
> > Once you conquer the generic components the differences from one flavor to
> > another will become apparent.
> >
> > Craig
> >
> >
> >
> > -----Original Message-----
> > From: erno.lahteenmaki@xxxxxxxxx [mailto:erno.lahteenmaki@xxxxxxxxx]
> > Sent: Wednesday, January 29, 2003 1:55 AM
> > To: si-list@xxxxxxxxxxxxx
> > Subject: [SI-LIST] Different Spice netlists
> >
> > Hello
> >
> > Is there any differencies between Spice netlists,
> > for example Eldo, HSpice and Berkeley Spice netlists?
> > I mean that part where the actual component or circuit is
> > described. Are they similar or not? If someone has links to
> > page where different spice models are compared, I'd like to hear about =
> > them.
> >
> > Br, Erno
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> 
> --
> Fred Balistreri
> fred@xxxxxxxxxxxxx
> 
> http://www.apsimtech.com
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-- 
Fred Balistreri
fred@xxxxxxxxxxxxx

http://www.apsimtech.com
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