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Recent content by rodham
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FERRITE CORE PERMEABILITY
KQ6F The way I determine permeability (mu) is to kinda back into it. I take the unknown core and wind 10 turns of wire onto it and measure its inductance with a LCR meter. Then I determine its value A (uH per 100 turns) from the formula: A = L x 10000/N(squared), where L = measured inductance...