>I am thinking of using a microcontroller (perhaps a PIC) in an industrial
> project.
>The controller would have to interface with  0 to 20mA analogue input and
>output signals.  Does anybody know of an IC(s) that does current-to-voltage
>conversion and vica versa, perhaps with the use of one or two passive
>components?  I am looking for alternatives to using opamps.
>
>Any suggestions/comments/advice appreciated.
>
>Hennie Swanepoel
>

An idea for current to voltage : use LM3900 or equivalent. It's a
current input - voltage output quad OP amp single supply.

                                    Dorin
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Dorin Dogaroiu
Research Institute for Computers
Bucarest, Romania
Email : dogaroiud@pcnet.pcnet.ro
        ddorin@kappa.ro
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