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Toroidal Transformer

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New Member
Hello everyone, any body can give me the formula of Toroid Transformer or where i can get from the internet.


Active Member
Amidon Associates or variations of the company make the cores. They do publish hardcopy info - it would seem that they have or can lead you to a source of downloadable info. Also ARRL (American Radio Relay League, ham radio) website may have info as these are frequently used in radio work. Palomar Engineers may be another.
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