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Subject: Isolated 4-20mA loop to PIC16C74

Date: 04/12/01 at 3:55 PM
Posted by: Denis TAYLOR
E-mail: sigma01@btinternet.com
Message Posted:

Hi
I need to make an interface to connect a 4-20mA sensor to a PIC16C74 Analog input. The Interface needs to be isolated and I do not really want to generate a negative rail if at all possible. Has any one got any ideas?? Any help would be appreciated
Thanks
Denis T

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