Dual slot common mode noise filter
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United States of America
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Apr 19, 2022
Grant Date -
Oct 8, 2020
app pub date -
Apr 3, 2019
filing date -
Apr 3, 2019
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Abstract
A multiple-layer circuit board has a signaling layer plane, an exterior layer plane, and a ground layer plane. A pair of differential signal lines implemented as strip-lines are within the signaling layer, and propagate electromagnetic interference (EMI) along the signaling layer. A dual slot common mode noise filter may be etched within the ground layer and may include a first U-shaped etching pair comprising a first U-shaped etching and a second U-shaped etching opposing the first U-shaped etching within the ground layer plane.
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