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Re: Mains Current Monitoring



Hi Jim,

<snip>
> Ferrite saturates at a very low flux which is ok in RF designs where the
> frequency is high, and the flux isn't too high, but not so good at power
> line frequencies. Tape wound silicon steel would be preferred, possibly
> a powdered metal.

Do you have any comparative figures for silicon steel and ferrite 
with the same cross-sectional area (mean length doesn't count unless 
the difference is *huge*) ?   I have reasons for wanting to know 
this. Perhaps I should build a curve tracer.

Thanks in advance,
Malcolm