From: Joerg Hansmann (info_at_jhansmann.de)
Date: 2001-12-19 15:11:54
Hi Moritz,
----- Original Message -----
From: Moritz von Buttlar <info_at_baltic-microsolutions.de>
To: <buildcheapeeg_at_yahoogroups.com>
Sent: Wednesday, December 19, 2001 4:46 AM
Subject: Re: [buildcheapeeg] modularEEG input stage prototype
>
> Hi Joerg !
>
> Did you try without the protection diodes ?
> Maybe they are noisy...
Yes I have removed them right in the beginning because they
led to rail to rail oscillations (probably coupling of
V+,V- voltage drop produced by the last stage into the
inputs of the first stage)
Regards,
Joerg
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