Re: comparing IBIS model simulation and measurements

Hi,

In order to help you with this I need more information:

What is the slewrate you are simulating ?
What is the slewrate you are measuring ?
What measurement equipment are you using, scope model and probe model ?

Regards
Daniel Nilsson

Betty Luk wrote:
>
> Hi,
>
> I've created an IBIS model, and I'm using it with HyperLynx BoardSim.
> These results correlate well with Spice simulations, which leads me to
> believe that the IBIS model was created correctly from the Spice
> model. On the net that I'm simulating, I'm using some Samsung IBIS
> models, and some passive components.
>
> Now I'm trying to compare the HyperLynx simulation with measurements.
> I'm noticing that my simulation has a significantly faster slew rate
> than my measurements. I've checked my scope probe, and they should
> have negligible effect on my measurements. Is this most likely a
> deficiency with my original Spice model?
>
> I would appreciate any feedback!
>
> Thanks,
> Betty Luk
>
 
Received on Mon Nov 27 14:02:41 2000