Jon:
The RS that appears in Spice models would be modeled inside the IBIS Clamp
tables. The package Resistance is not shown. RS should be small, but
is not always 0.
Bob Ross
Interconnectix, Inc.
> Do we already have a place for the Rs? The experiments I did last year when we
> were talking about this indicate that Rs is essential (for at least) scientific
> study of TT. It is unclear if Rs is ever very much bigger that 0 for real circuits.
> jon
> If people are looking for a good mathematical expression of this they can look in
> any text book on SPICE under diode behavior. Working (and simple) equations are
> presented.
>
> Intrinsic
> RS Diode +-----+
> |\ | ----> Id | | ----> Id
> o---/\/\/\--+--| >|--+----o +-----|Clamp|-----+
> | |/ | | | | | |
> | | o----| +-----+ |----o
> | | | | | | | |
> +---| |--+ +-------| |-------+
> | | | |
> Cj + Ct C_comp + Ct
Received on Mon Dec 11 11:04:48 1995
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