RE: [IBIS-Users]: DC voltage for C_comp Calculation

The problem is that you may get different results
depending on the DC bias. For that reason I usually
recommend to use a DC value that is close to where
the signaling will be, but you could still get
different results for the high and low levels.
This is when good engineering judgment comes handy,
or a more elaborate behavioral model perhaps using
the *-AMS extensions of IBIS...
 
Arpad
=====================================================

 
________________________________

From: owner-ibis-users@eda.org [mailto:owner-ibis-users@eda.org] On
Behalf Of surendra.deshmukh@wipro.com
Sent: Friday, October 08, 2010 8:24 AM
To: ibis-users@eda.org
Subject: [IBIS-Users]: DC voltage for C_comp Calculation

Hi,

       For the calculation of C_comp by AC sweep, we apply an AC signal
along with some DC voltage. What should be the value of this DC voltage
to get correct C_comp value?

Thanks in advance.

Regards

Surendra

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