Hi,

I would forget analog transmission and use V/f converter like LM331, where
the pulses are very simple to transfer on a digital opto line. The output
is then best fit to PIC's TxCKI, further.

Regards,
Imre


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On Mon, 29 Dec 2003, Wouter van Ooijen wrote:

> > Will this work?  Is the opto-isolator performance linear over its
> range?
>
> No. But a textbook approach is to use a dual opto with one in the
> feedback loop to compensate the non-linearity.
>
> Wouter van Ooijen
>
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