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doubt about how to connect 4 electrodes

Question asked by jackforin on Sep 2, 2017
Latest reply on Sep 10, 2017 by mark.ramos

Hi everyone,

I am working on a pcb design project with ADUcm350 on board. 

Reading here, I have some doubts about the 4 electrode's connection to the uC. 

Can I connect my 4 electrode in those points shown in the image above ? In particular, I will have this connection: 

 

In the lab, I have make some tests with the evaluation board, and both with and without R on the right of the electrodes , I had the same result.  Maybe it depends from the impedance to calculate.  

 

Waiting, Thank you for your time

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