Hi Riad, thanks a lot for your reply! I indeed checked a little and
ran some simulations in order to see the effect of the correlation
parameter in my design. The circuit in which I am working is a dynamic
differential comparator, and the problem is that...
....If I use relatively-small transistors I get too high offset
voltages due to excesive mismatch, and
....If I use large transistors, the offset is reduced but the
comparator turns too slow to communte in the alloted time.
However, if I use the infamous correlation factor, with, say, cc=0.75,
then the monte carlo results seem to be a good compromise between
offset and speed. The problem is... should I trust these
simulations? :O
Anyhow, I think I've gotten now a more clear idea about the rationale
behind this parameter and its use. Thanks a lot also for the
statistics review: my french is real-beginner level, but I am always
looking forward to improving it. And after all, once one learns
spanish (mother tongue) and italian (laboral tongue), understanding
any other romance language is very easy, I guess! :D
Muchos saludos,
Jorge.


|