A Wideband Single-Cell Unidirectional Absorption Common-Mode Filter with Pattern Ground Structure

Hsu-Wei Liu,Tzong-Lin Wu

doi:10.1109/apemc53576.2022.9888591

A Wideband Single-Cell Unidirectional Absorption Common-Mode Filter with Pattern Ground Structure

Hsu-Wei Liu, Tzong-Lin Wu

https://doi.org/10.1109/apemc53576.2022.9888591

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Publication Date: Sep 1, 2022

Affiliation: National Taiwan University

#Common-mode Noise #Two-layer Printed Circuit Board + Show 8 more

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Abstract

A new configuration for common-mode (CM) noise absorption and suppression is proposed in a two-layer printed circuit board. By directing CM noise to a resistor, that can be absorbed and dissipated as heat. In measurement, broad CM noise absorption and suppression bands are achieved from 2.19 – 3.02 GHz and 1.78 – 3.11 GHz, respectively. Most of all, an ultra-compact size of 0.029 λg2 is achieved by a single-cell structure.

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