Ian.

I went on your recommendation for DXP and ordered it before the end of last
year.    I thought you had posted they were shipping  SP2,  so I raised cane
with Altium when I didn't see SP2 delivered with my order.    Altium sales
said they were not shipping SP2 , but were kind enough to cut me CD.

Mike Reagan
EDSI



----- Original Message -----
From: Ian Wilson <[EMAIL PROTECTED]>
To: Protel EDA Forum <[EMAIL PROTECTED]>
Sent: Wednesday, January 15, 2003 3:03 PM
Subject: Re: [PEDA] Spice simulator


> On 09:52 AM 15/01/2003 -0500, Dan said:
> >Greetings all,
> >  We are thinking of upgrading our 99se to DXP. How is the spice/circuit
> >simulator of DXP vs 99se? Does it actually function?
> >Thanks,
> >Dan
> >
> > >
>
> Does SPICE 3f5 work? That is you real question.  P99SE is pretty much
SPICE
> 3f5.  DXP does have some mods to 3f5 I think - I only think this from some
> discussions on the DXP forum, not from any inside knowledge.
>
> P99SE sim works but has a funny (read brain dead) manner of integrating
> models and macro-models.  I used to use it a bit for SIM.
>
> DXP has a much better method of integrating models and subckts (but there
> is a poorly documented catch).  As well it has *much* better post
> processing (waveform display).
>
> It still has some problems with temperature sweeps I think (maybe this has
> been fixed now).
>
> But like all simulators, especially SPICE based ones, it has all the old
> convergence issues.  The key here is understanding the cause of
convergence
> issues and good models and subckts (which can be the hardest part).
>
> Ian Wilson
>

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