Mike Hopkins wrote:
>
> Keep in mind rise time (really - turn on time) doesn't mean much on the AC
> mains. Most specs assume the measurement is made right at the body of the
> device, so even short wires will add enough inductance for a fast wave to
> make the arguement moot.
>
Mike,
That's a very good point considering these suppression components are
usually used as shunt devices.
Another common suppression method is to use a series inductor in
conjunction with shunt capacitors to form a filter like in some AC
power bars. It's a bit costly both in terms of space and parts but very
effective at lower frequencies.
--
=====================================================================
Dan Kwok Vancouver, BC, Canada
Intetron Consulting, Inc. Telephone 604.432.9874
Email [email protected]
"FREE EMC Tips @ our website http://www.intetron.com";
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