Re: EEG Electrode DC voltage

From: sleeper75se (sleeper75se_at_yahoo.se)
Date: 2002-02-09 10:17:17

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--- In buildcheapeeg_at_yahoogroups.com, "Joerg Hansmann" <info_at_jhansmann.de> wrote:
> Hi,
>
> in order to check if it is possible to increase the gain
> of the first amplifier stage to G=100, I have just checked
> the DC output of the INA114 in my comEEG prototype:

[snip]

> Because of the 5V supply voltage and the limited output
> swing the modularEEG input stage will probably stay at G=10.

Hi Joerg,

great job! Bad results. :-) But now we know more. Please try
chloridizing the electrodes too ...

Regards,

Andreas

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