Alan B. Pearce wrote:
>
> >I'm not very fammilar with hall effect devices, but
> >I would imagine their output wouldn't incraes with
> >speed like a variable reluctance device would?
>
> That is what I figure as well, because they are sensitive to the intensity
> of the magnetic field, not the rate of change.


Modern automotive hall devices almost always
have signal conditioning built in and provide
a fairly clean digital output as the shaft is
turned. The timing should not change with
shaft speed. :o)
-Roman

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