Re: [buildcheapeeg] Re: I published current design at SourceForge

From: Chuck Davis (roshicorp_at_roshi.com)
Date: 2001-12-03 16:35:16


On 03-Dec-01, Doug Sutherland, wrote:

[...]
> However, I caution not to go too low
>end, or it becomes a toy. Let's not make another HAL-4
>neat toy EEG here. HAL-4 has a frequency response that
>pretty much misses the delta and beta spectrums, and
>it has a poor sampling rate.
[...]

Done properly, the HAL4 can be set up to perform as
well as anything you have in mind. Set up for 128 s/sec
and a 40+ Hz bandwidth, >100 dB CMRR, I've shipped 60+
ROSHI(AVS) systems, with that board as a basis.

Best,

-- 
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-/--Chuck Davis -/-----\-----/---\---/-\---/---\-----/-----\-------/-------\
RoshiCorp_at_ROSHI.com \ / \_/ `-' \ / \ /
\ / `-' #11-9-01# `-' \ /
`-' `-'
On a path to Peace of Mind... 


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