Calibration of cyton

vitor_martinsbvitor_martinsb João Monlevade
in Cyton
Hello everyone,

I'm using Cyton to do EEG signal acquisition. However there was a doubt, there is a need to perform the calibration of the impedance or own plate does? In G-tec devices, for example, it's necessary to perform the acquisition.

Comments

  • wjcroftwjcroft Mount Shasta, CA
    edited April 2019
    Vitor, hi.

    Your comment: "However there was a doubt, there is a need to perform the calibration of the impedance or own plate does? In G-tec devices, for example, it's necessary to perform the acquisition."

    I'm having trouble understanding your question, likely because of language translation issues.

    There is no need to calibrate the Cyton impedance measurement. And there is no setting or software that does that.

    The input impedance of the Cyton ADS1299 chip is very high, 1 gigaohm. With such high impedance, it is not necessary to get your skin impedance below 5K ohms, as with older EEG equipment. See this paper,


    Regards,

    William
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