On Tue, 31 Oct 2000, Graeme Zimmer wrote:

> +/- 12 Volts will guarantee clean operation on long wires in noisy
> environments. It is essential.
>
.. when using long wires in noisy environments.  I have yet to see a
failure with 0/5V signal levels...  but I have not used long ( > 10')
cables or operated in extremely noisy environments.  Wonder if I could
make it fail if I blew the dust off/out of the HF ham station again??
8-)

Dale
---
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" (I found it!) but "That's funny ..."
                -- Isaac Asimov

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