I do know the reference boards are burnt in and stability data analyzed to
select the ones that will make it into meters. They are also stored hot. If
the board is turned off its stability degrades. Agilent had a bad batch of
high stability boards when manufacturing was moved off shore because as
s
Attila:
It isn't just the materials in the 3458A meter and what they cost. It
is the massive development time and effort, just trying to verify the
linearity of the ADC and stability of the reference and so on. Then there
is the ongoing time that must be spent on insuring that the critical
c
