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In article <4893@news.duke.edu> fang@phy.duke.edu (Fang Zhong) writes:
>From: fang@phy.duke.edu (Fang Zhong)
>Subject: Isolated Connector for IEEE Bus?
>Keywords: Advices sought
>Date: 27 Aug 92 02:07:36 GMT
>
>	I work on small signals of less than micro volts.  I use a computer
>to control my experiment and take data via IEEE bus.  One of the equipments
>in my setup is a digial ratio transformer made my Eaton Advanced Electronics.
>This equipment was designed so poorly that a ten-times larger noise was
>added to my circuit if I added it to my IEEE bus.  
>	I would like to find a way to add the digital ratiotran to the IEEE
>while the noise is isolated only to the ratiotran.
>	Will an optical isolation work in my case?
>

Hewlett Packard makes IEEE-488 bus extenders that have a fiber optic
option available.  You use a bus extender at each end of the fiber optic
cable (up to several miles in length I believe) to convert back to normal
IEEE-488 signals.

Chuck


Charles H. Chapman  (GTRI/MATD)             (404) 528-7588
Georgia Institute of Technology, Atlanta Georgia, 30332
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