From: rodentius_at_y...
Date: 2001-08-08 03:03:50
--- In buildcheapeeg_at_yahoogroups.com, "Joerg Hansmann" <info_at_jhansmann.de> wrote:
> Hi,
>
> ----- Original Message -----
> From: <rodentius_at_y...>
> To: <buildcheapeeg_at_yahoogroups.com>
> Sent: Tuesday, August 07, 2001 9:13 AM
> Subject: [buildcheapeeg] photomultiplier eeg
>
>
> > Unlimited Underground Electronics sells plans for a cheap eeg-
type
> > device that uses photomultiplier tubes.
>
> AFAIK photomultipliers detect photons by cascading
> them in the tube with multiple cathods and high voltage.
>
> How can such a photo-detector be used for EEG ?
>
> What about the high voltage and test subject safety ?
>
> Regards,
>
> Joerg
Don't know. I can build from a schematic as long as it is not
terribly complex, but I'm not an EE. This company seems to have some
pretty involved and exotic plans for sale though. plans only cost $4
for this device. Will post if I get some.
james
This archive was generated by hypermail 2.1.4 : 2002-07-27 12:28:31 BST