[volt-nuts] 3458A calibration

[J. Forster]

Keeping the voltage across the integrating capacitor (0 is a special case
of constant) is a good idea because it solves the problem of dC/dV
(voltage coefficient of capacitance).

-John

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>> The effect of dielectric absorption can be minimised by
>> ensuring that the average voltage across the integrator feedback
>> capacitor remains low over the integration cycle.
>> HP/Agilent have several patents covering this aspect of DVM
>> integrator runup cycles.
>
> Are you referring to what HP calls their "charge-balancing" A/D converter
> where during the run-up phase of the conversion they attempt to keep the
> output of the integrator balanced around 0 volts?
[snip]