Calculation of Common-Mode Radiation from Single-Channel Differential Signaling System Using Imbalance Difference Model
Summary :
In a differential transmission line, a large common-mode radiation is excited due to its asymmetry. In this paper, the imbalance difference model, which was proposed by the authors for estimation of common-mode radiation, is extended to apply to the differential signaling systems. The authors focus on a differential transmission line with asymmetric property, which consists of an adjacent return plane and two signal lines which are placed close to an edge of the return plane. Three orthogonal transmission modes, a normal mode, a primary common mode and a secondary common mode, are defined. Among these transmission modes, the secondary common mode is dominant in radiation, and a mechanism of the secondary common-mode generation is explained. The radiated emission which was calculated using the imbalance difference model was in good agreement with that obtained by full wave calculation.
- Publication
- IEICE TRANSACTIONS on Communications Vol.E93-B No.7 pp.1739-1745
- Publication Date
- 2010/07/01
- Publicized
- Online ISSN
- 1745-1345
- DOI
- 10.1587/transcom.E93.B.1739
- Type of Manuscript
- Special Section PAPER (Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto)
- Category
- PCB and Circuit Design for EMI Control
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Tohlu MATSUSHIMA, Tetsushi WATANABE, Yoshitaka TOYOTA, Ryuji KOGA, Osami WADA, "Calculation of Common-Mode Radiation from Single-Channel Differential Signaling System Using Imbalance Difference Model" in IEICE TRANSACTIONS on Communications,
vol. E93-B, no. 7, pp. 1739-1745, July 2010, doi: 10.1587/transcom.E93.B.1739.
Abstract: In a differential transmission line, a large common-mode radiation is excited due to its asymmetry. In this paper, the imbalance difference model, which was proposed by the authors for estimation of common-mode radiation, is extended to apply to the differential signaling systems. The authors focus on a differential transmission line with asymmetric property, which consists of an adjacent return plane and two signal lines which are placed close to an edge of the return plane. Three orthogonal transmission modes, a normal mode, a primary common mode and a secondary common mode, are defined. Among these transmission modes, the secondary common mode is dominant in radiation, and a mechanism of the secondary common-mode generation is explained. The radiated emission which was calculated using the imbalance difference model was in good agreement with that obtained by full wave calculation.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E93.B.1739/_p
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@ARTICLE{e93-b_7_1739,
author={Tohlu MATSUSHIMA, Tetsushi WATANABE, Yoshitaka TOYOTA, Ryuji KOGA, Osami WADA, },
journal={IEICE TRANSACTIONS on Communications},
title={Calculation of Common-Mode Radiation from Single-Channel Differential Signaling System Using Imbalance Difference Model},
year={2010},
volume={E93-B},
number={7},
pages={1739-1745},
abstract={In a differential transmission line, a large common-mode radiation is excited due to its asymmetry. In this paper, the imbalance difference model, which was proposed by the authors for estimation of common-mode radiation, is extended to apply to the differential signaling systems. The authors focus on a differential transmission line with asymmetric property, which consists of an adjacent return plane and two signal lines which are placed close to an edge of the return plane. Three orthogonal transmission modes, a normal mode, a primary common mode and a secondary common mode, are defined. Among these transmission modes, the secondary common mode is dominant in radiation, and a mechanism of the secondary common-mode generation is explained. The radiated emission which was calculated using the imbalance difference model was in good agreement with that obtained by full wave calculation.},
keywords={},
doi={10.1587/transcom.E93.B.1739},
ISSN={1745-1345},
month={July},}
Copy
TY - JOUR
TI - Calculation of Common-Mode Radiation from Single-Channel Differential Signaling System Using Imbalance Difference Model
T2 - IEICE TRANSACTIONS on Communications
SP - 1739
EP - 1745
AU - Tohlu MATSUSHIMA
AU - Tetsushi WATANABE
AU - Yoshitaka TOYOTA
AU - Ryuji KOGA
AU - Osami WADA
PY - 2010
DO - 10.1587/transcom.E93.B.1739
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E93-B
IS - 7
JA - IEICE TRANSACTIONS on Communications
Y1 - July 2010
AB - In a differential transmission line, a large common-mode radiation is excited due to its asymmetry. In this paper, the imbalance difference model, which was proposed by the authors for estimation of common-mode radiation, is extended to apply to the differential signaling systems. The authors focus on a differential transmission line with asymmetric property, which consists of an adjacent return plane and two signal lines which are placed close to an edge of the return plane. Three orthogonal transmission modes, a normal mode, a primary common mode and a secondary common mode, are defined. Among these transmission modes, the secondary common mode is dominant in radiation, and a mechanism of the secondary common-mode generation is explained. The radiated emission which was calculated using the imbalance difference model was in good agreement with that obtained by full wave calculation.
ER -
English
