Hi,
Thanks for your suggestion, but I'm trying to create the most simple
device possible now. Also, I already have the parts for the other
solution (and don't overestimate Farnell Germany, some - paid - items
from my October 24th order are still missing).
Sébastien
On 02/06/2013 12:37 AM, Ed Leckie wrote:
Hi Sebastien,
What about using a simple sigma delta adc?
It only requires a comparator and RC external to the FPGA, and only utilizes 2
IOs which is a similar cost to your implementation.
http://www.latticesemi.com/products/intellectualproperty/referencedesigns/simplesigmadeltaadc.cfm
This allows for external control voltages too!
Cheers,
Ed.
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