[SI-LIST] Re: alter processing in Berkeley 3f4 spice

Yu Liu wrote:

> Ray,
>
> Here is a comment from the spice3f5 code:
>
> /* Alter a device parameter.  The new syntax here is
> *      alter @device[parameter] = expr
> *      alter device = expr
> *      alter device parameter = expr
> * expr must be real (complex isn't handled right now, integer is fine 
> though,
> * but no strings ... for booleans, use 0/1).
> */
>
> So it confirms your suspicions by denying the Hspice style alter in 
> spice3f5. Fortunately, there are other spice alternatives that can do 
> the Hspice style alter.
>
> Regards,
>
> Yu
> ===
>

Yu-

Thanks!

I've got a model from a vendor that only runs in Berzerkeley spice 
unless I edit it
somewhat (remove very small K elements in a connector model). I'm trying to
determine if deleting the small  coupling factors (<.01) do much to the 
accuracy
of the output. So far it seems that the accuracy of the output doesn't 
vary significantly
due to the deletion of the small K elements, but there is quite a 
difference evident
in running the identical deck in Hspice and 3f5.  Arghhhh.....

-Ray



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