From: JBilderback (jiva_at_humboldt1.com)
Date: 2001-05-17 15:39:51
>
> The other option would be to use the RS232 port and some optocouplers.
> Does anybody know what isolaton voltage is common in eeg equipment ?
> I think the brainmaster has about 160V which sounds quite low to me.
> Does anybody know types of optocouplers normally used in medical equipment ?
> Another idea is to built an optocoupler by ourselves using phototransistors and
> IR LEDs. That would probably also result in a very high isolation voltage.
>
the til111 used in Bernd Porr's preamp design posted by john anand specs
at 1500v.
http://www.isocomoptocouplers.com/isocom/til111.htm
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