On 2011-08-11, David Lesher wrote:
Jon Anderson writes:

On 8/10/2011 6:06 PM, Michael A. Terrell wrote:

Sigh. That 'Toroid' is wound from steel tape. You can't make a
decent 50 or 60 Hz transformer without it.

sheepish grin Well, I've never cut one apart, so didn't know. Can't
SEE any steel... G


Some are ferrite iron power imbedded in the donut, but trust me,
it's got something magnetic....

And the ferrite iron is for high frequencies -- perhaps a DC-DC
switching mode converter, not for low frequencies like 60 Hz or 50 Hz.
Not even for aircraft 400 Hz.

Enjoy,
DoN.

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