Hi Joe,
I am not sure what distance you are looking for, but we use fibre-optics.
The HFBRXXXX from Agilent(now called AVAGO TECHNOLOGIES) are very easy to u=
se and you can get any size patch cord so no need to do fibre terminations.=
 I use HFBR1414 as TX and HFBR2414 as RX, they are available at farnell and=
 RS.
Hope it helps
Best regards
			Luis





-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of=
 Joe Mailer
Sent: 21 June 2006 18:27
To: Microcontroller discussion list - Public.
Subject: [EE] A<--> Optoisolators (comm) <--> B

Hello,

I have two systems A and B. I'd like to have a robust optically isolated co=
mmunication line (going real time). I have choose RS-232/422/485 as possibl=
e communication protocols. =


I have been searching the net for optoisolators, there are a huge amount of=
 those, but thinking that communication is bidirectional and it could be fa=
st, what are more suitable optoisolators for doing such a thing ? I have be=
en looking to (new) analog iCouplers[1], those look good, but i need good M=
TBF and good support in the future. =


Any other good idea ?

Thanks !

[1] http://www.analog.com/UploadedFiles/Product_Highlights/6199138056279633=
97963229iCoupler_Brochure.pdf

 		=

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