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

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
===



Raymond Anderson wrote:

>Does anyone know if there is a way to emulate the .alter processing 
>(Hspice style)
>in generic 3f4 or 3f5 Berekeley spice.
>
>In Hspice an .alter statement can allow you to do things like change a 
>library
>or an include file between multiple simulation runs in a deck. It seems that
>the alter statement in Berkeley spice only allows one to change device 
>parameter
>values between simulations. I may have missed something in the manual,
>but it certainly isn't obvious it can do Hspice style alters.
>
>Wonder if anyone can confirm or deny my suspicions :)
>
>
>
>-Ray Anderson
>Sun Microsystems
>
>------------------------------------------------------------------
>


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