most of the time the schematic portions which warrant accurate simulations
can be reduced and modelled before running any simulation. For example
reduce differential to single ended stages . Due to lack of accurate
detailed models for specific parts, I just use generic models most of the
time and tweak them for the main limitations the actual part might have in
the given application .  I usually simulate in spice just single stages .
For larger systems , I go for a system simulator , like SystemView from
Elanix . It's really nearly impossible to accurately simulate large complex
designs in spice alone if you're not designing an IC and don't have the
process parameters .

Matt Tudor , MSEE
http://www.gigahertzelectronics.com


----- Original Message -----
From: "Bagotronix Tech Support" <[EMAIL PROTECTED]>
To: "Protel EDA Forum" <[EMAIL PROTECTED]>
Sent: Wednesday, July 03, 2002 12:04 PM
Subject: Re: [PEDA] SPICE sim question


> > Straight-A students, indeed...!?  Long ago, when I was first introduced
to
> > computer simulation tools, I was forewarned: "A fool with a tool is
still
> a
> > fool."
>
> True, and when the tool is a computer, the fool has an "electrified
fooling
> machine".
>
> Don't get me wrong, I like SPICE and have used it in the past, but just
> can't justify the time for it these days.  I would use it if good models
> were as easy as clicking on a website and the model inserts into my sim
> file.
>
> Best regards,
> Ivan Baggett
> Bagotronix Inc.
> website:  www.bagotronix.com
>
>
> ----- Original Message -----
> From: "Fred A Rupinski" <[EMAIL PROTECTED]>
> To: "Protel EDA Forum" <[EMAIL PROTECTED]>
> Sent: Tuesday, July 02, 2002 8:00 PM
> Subject: Re: [PEDA] SPICE sim question
>
>
>
>
> ************************************************************************
> * Tracking #: 06D379F98D4AAE4FA0D5B6A107F024B64FCBD31E
> *
> ************************************************************************

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