>
>Now correct me if I am wrong the MAX 232 only level shifts and inverts (plus
>generates the + - 10V) so how can it do this ??

The max232 is ONLY a level shifter, but this assumes that it is a properly
working MAX232.

You should be able to pop a square wave into it, and scope the output, and
they should be the same, with just a tiny time delay. If not, it's time for
Widlar Optimization.

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