Carlos,

Which particular BJT models are you looking for and from which manuafacturer 
(if it matters to you)?

Richard Seriani, Sr.

----- Original Message ----- 
From: "Carlos Marcano" <c.marcano@gmail.com>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Thursday, June 28, 2007 10:22 AM
Subject: Re: [EE] SPICE Modeling BJT's


> Hi, Richard.
>
>
>> Have you tried looking up the manufacturers websites for models? TI &
>> Philips are pretty good & I'm pretty sure Fairchild also has them.
>
> Yes, I have. The probloem is that I need some relative older and
> semi-obscure parts with less probability of obtaining models from the
> manufacturer (if they still are in the business!).
>
>> If you need to extract a model from a sample part, it gets a bit more
>> difficult. Pspice  has a model generator, but it's only available for
>> diodes in the eval version I use.
>
> That is the quid. I am able to obtain the datasheets so I would like
> to build the models from them. The problem I am facing is that I can't
> find correspondence between some of the parameters from the datasheets
> and the models.
>
> By the way, I use LTSpice/SwitcherCAD from Linear Tech.
>
> <http://ltspice.linear.com/software/swcadiii.exe>
>
> It is an EXTREMELY good SPICE simulator. And it is freeware.
>
> Regards,
>
> Carlos.
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