EGOR Interface - Display

Axel Rietschin axel_rietschin at compuserve.com
Thu Nov 23 20:23:25 GMT 2000


>
> > Hell rather then redesigning what's been done why not work on a display
> and
> > interface to a 0-1 v output?.
> > That is something critical to any design.
> >
> > Bruce
>
> Display? How about a simple ROM look up table. You can accommodate any non
> linearity's by storing the calibration factors in the ROM.
>
> Example. Use a 12 bit A/D converter on the 0V to 1V output. Use the
digital
> output to address the ROM. Add a simple digital display driver to the
output
> of the ROM. You can have several curves stored in the ROM:
> 1. Analog voltage
> 2. Lambda
> 3. Air Fuel ratio
> A simple switch that changes the upper address to the ROM will allow you
to
> switch between the three.

This is just where you go digital, no?   :)

Axel


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