Re: [buildcheapeeg] comADC-EEG

From: Joerg Hansmann (info_at_jhansmann.de)
Date: 2001-08-09 22:41:25


hi,

----- Original Message -----
From: Rob Sacks <editor_at_realization.org>
To: <buildcheapeeg_at_yahoogroups.com>
Sent: Thursday, August 09, 2001 1:41 PM
Subject: Re: [buildcheapeeg] comADC-EEG
...
> > The greatest deviation I see, is about 40usec.
> > That is 1% jitter at 250 Hz sampling clock.
>
> Is this big or small? :) I have no idea.

The simulation shows that even a jitter of 2 ms,
what is 51.2% jitter at 256 Hz sample clock,
has not much impact on the FFT of a 8 Hz wave.

However the waveform is slightly distorted.

(see pictures)

Regards,

Joerg



picture

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