Bill,
Really it's over the really low permeability of iron powder compared to ferrite
that would make it hard to use a one-turn winding. Iron powder does come in
handy though for combiners/splitters though. It's also good for baluns/ununs.
Best,
Will
*********** REPLY SEPARATOR ***********
On 2/19/06 at 12:09 PM Bill Turner wrote:
>Observing quietly from the sidelines but now have a question:
>
>Why use ferrites for transformers when powdered iron seems to have
>superior loss properties, especially in the HF region?
>
>Or doesn't it?
>
>73, Bill W6WRT
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