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EVAL-AD5933EBZ setup for four electrodes

Question asked by juditaf on Oct 3, 2016
Latest reply on Oct 18, 2016 by musach

Hi,

 

I am working with EVAL-AD5933EBZ, and I am trying to expand it as to use tetrapolar electrode system for bio-impedance measurement. Can anyone help me with that?

As far as I have read, the setup to expand the AD5933 should be something like the picture I am attaching.

I do not know if there is an easier setup using evaluation board.

 

In case that it has to be like the picture, any suggestions on the values for resistances?

 

Thanks for your help!

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