Re: circuit origins of the non-monotonic pull-up curve

If this is the "hump" I think you are talking about it accurs from the
subtraction of two really huge currents as they tend toward MAXFLOAT
(sometimes called infinity). We had a big argument and scientific
discussion about this when we were first deciding how to approach this
and there were many little papers and emails sent around. I think that
my final resolution on the matter was, "The hump occurs so far outside
of the active region that the device would have melted anyway so it's
not worth arguing about".

regards,
jon