More UEGO stuff

[Steve Gorkowski]

If one would come as a kit for under $200.00 with sensor. How many would
buy the kit ? No sense to design if one if no one was interested in a
wide O2 meter.

Steve

Mike Pitts wrote:

> Any interest?  Is this a waste of bandwidth?
>
> "This invention provides an self-calibrating buffer amplifier
> for a Universal Exhaust Gas Oxygen sensor interface circuit
> which couples and processes a voltage signal proportional
> to pumping cell current to a level and reference voltage suitable
> for input to an A-to-D convertor. The goal of this invention is to
> increase the accuracy of air-to-fuel ratio control by continually
> correcting for the effects of offset quantities in the amplifier
> stage necessary to the interface circuitry. This goal is accomplished
> by an approach which effectively generates and subtracts these
> offset quantities from the processed signal. "
>
> http://patent.womplex.ibm.com/details?pn=US05211154__
>
> -Mike