10-29-2023, 12:08 AM
Hey Joel,
It looks like they did a bifilar winding without litz, multiple times over the former. The winding pattern is to drop to the second notch, per segment. That is a nice former. When I did it, I used a plastic doughnut from a toy and toothpicks. Bifilar without litz is only a shortcut to filling the former quicker. To magnify the magnetics for the same wire spent, use litz.
It looks like they did a bifilar winding without litz, multiple times over the former. The winding pattern is to drop to the second notch, per segment. That is a nice former. When I did it, I used a plastic doughnut from a toy and toothpicks. Bifilar without litz is only a shortcut to filling the former quicker. To magnify the magnetics for the same wire spent, use litz.