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EEG with ADS1298

EEG with ADS1298

This question is answered
Wladimir Ferreira
Posted by Wladimir Ferreira
on Mar 27 2012 14:23 PM
Prodigy30 points

Hello
As I said in a previous post I think use the 1298 for  EEG.
Any expert can guide me if I'm on the right track?
It seems I need to implement a preamplifier.
I found this scheme:
http://focus.ti.com/lit/an/sbaa160a/sbaa160a.pdf
Has anyone managed to do an EEG using the 1298 and say whether
Am I on track?

Thank you.

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  • Kevin Duke
    Posted by Kevin Duke
    on Mar 30 2012 14:41 PM
    Verified Answer
    Verified by Kevin Duke
    Mastermind18315 points

    Wladimir,

    Intracranial EEG does not require a preamplifier since the signal strength inside the brain is sufficient. Otherwise, you should strive for a sufficiently low noise PGA such that the system contributes <2uV peak to peak noise input referred.

    --------------------------------------
    Kevin Duke             
    Precision DAC Applications

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