Configuration of three distributed lines for reducing noise due to the coupling of the common and normal modes

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• 作者：Souma Jinno^a ; ^b ; ^{soumajinno117@s.ee.es.osaka-u.ac.jp} ; Hiroshi Toki^a ; ^{toki@rcnp.osaka-u.ac.jp} ; Masayoshi Abe^a ; ^b ; ^{abe@stec.es.osaka-u.ac.jp}
• 关键词：Normal mode ; Common mode ; Mode coupling ; Noise
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2017
• 出版时间：1 February 2017
• 年：2017
• 卷：844
• 期：Complete
• 页码：19-23
• 全文大小：733 K
• 卷排序：844

文摘

In this study, the coupling between the common and normal modes in distributed lines and the resulting electromagnetic noise were considered. The telegraph equations of three distributed lines with the boundary conditions of a lumped circuit reveal the presence of mode-coupling noise. To reduce the coupling noise, the geometrically and electrically symmetric configuration of the three distributed lines is proposed. The simulation results show that the proposed configuration can decrease the mode-coupling noise by a factor of 1×10−81×10−8 in comparison with that of asymmetric configurations.