From: peterson_at_d...
Date: 2001-06-11 01:35:26
--- In buildcheapeeg_at_yahoogroups.com, "Grant Bright, Ph.D." <gbright_at_b...> wrote:
> Joerg,
>
> If someone wanted more input channels, say eight or perhaps even up
to 20, can the circuit itself be scaled up to acommplish this?
>
> Grant
Wow! BuildcheapQEEG!
This is a device for professionals and maybe VERY advanced
"amateurs," but boy would I love to have one--and boy, would it
change the world to make QEEG commonly accessible as a
diagnostic/evaluative tool. These devices now cost in the $6k range,
which is the major reason they are so rare.
> ----- Original Message -----
> From: Joerg Hansmann
> To: buildcheapeeg_at_yahoogroups.com
> Sent: Saturday, June 09, 2001 9:02 PM
> Subject: Re: [buildcheapeeg] Re: newest analog schematic and
parts list
>
>
> Hi,
>
> ----- Original Message -----
> From: <jiva_at_humboldt1.com>
> To: <buildcheapeeg_at_yahoogroups.com>
> Sent: Sunday, June 10, 2001 1:47 AM
> Subject: [buildcheapeeg] Re: newest analog schematic and parts
list
>
>
> ...
> > Does v 02 of the digital board still apply or are there changes
> > there too?
>
> The digital board V02 has been a copy of the digital part of
RS232EEG01
> and has not been finished (some of the traces do not fit on the
board area).
>
> Currently Moritz works on the new digital board design with
> enhanced optoisolation.
>
> I am thinking about some changes with the 2x9 pinhead connector,
that
> connects the digital pcb with up to 3 analog pcbs:
> It would be advantageous to include 8 additional digital signals
to the pinhead
> connector so that we get a multi purpose bus with analog and
digital signals.
>
> A basic configuration would consist of :
>
> 1 analog pcb
> 1 digital pcb
> 1 front panel pcb with 4 LEDs and 4 Switches
> 1 ribbon cable with 3 sockets for the bus connection
>
>
> A full configuration would consist of :
>
> 3 analog pcbs
> 1 digital pcb
> 1 front panel pcb with 4 LEDs and 4 Switches
> 1 ribbon cable with 5 sockets for the bus connection
>
>
> Regards,
>
> Joerg
>
>
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This archive was generated by hypermail 2.1.4 : 2002-07-27 12:28:30 BST