Re: [ng-spice] Readline Response


To ng-spice@ieee.ing.uniroma1.it
From Paolo Nenzi <pnenzi@ieee.ing.uniroma1.it>
Date Wed, 18 Aug 1999 09:17:58 +0200 (CEST)
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On Tue, 17 Aug 1999, James Swonger wrote:

> Let me suggest another avenue, for simulator code base.
> There's a simulator which has been "donated" to the geda
> project, acs (Al's Circuit Simulator). The "Al" in question
> is active on the geda list. 
I have checked the sources of ACS 0,2,0, they are released under the GPL
License 2. 

The simulator has been around (as
> a project of his, net-available) for a while. It's said to
> be a clean, ground-up C++ development, not just a rewrite.
I gave a look at the sources of the simulator. The simulator uses an
object oriented strucuter for devices, as far as I know, the mos models
are an extensions of the diode mode (mos model, when simulated, calls the
diode model). This approach differs a lot with the one in spice3, and I
think that all the existing models and the future ones need to be
completely rewitten staring from the equations (a lot of work).
I would like to add that almost all the models on the net are available
fors spice3 or in a sort of interface standardized by someone (motorola I
think).

Paolo


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