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Instrumentation Amplifier for bioimpedance device

Question asked by Majjo on Jul 19, 2015
Latest reply on Jul 29, 2015 by JGunao

Hi everybody,

 

I would like to ask you a few questions.

I work on my own bioimpedance device. I would like to measure the objects that will have approximately impedance range from 3 Kohm to 100 ohm. As a detector I am going to use AD8302. The frequency range that I want to measure the objects is from 10 KHz to 1 MHz. For amplifying the signal I need to use instrumentation amplifier. I decided to use AD8429. Is it a good choice?  Should I need to use a buffer (voltage follower) for impedance matching with AD8302? If yes, which one is the good choice?

 

Thank you very much.

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