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Effects of undesired asymmetries and nonuniformities in differential lines

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Abstract
In this paper, the effects of undesired asymmetry and nonuniformity on differential line (DL) circuits are modeled as deviations from the ideal, nominal geometrical characteristics of a perfectly symmetrical and uniform DL, whose performance is taken as reference. To this end, the involved multiconductor transmission line equations are solved in the modal domain by a decoupled approach based on the perturbation of the p.u.l. parameters of the ideal DL on one hand, and on the assumption of weak coupling between the corresponding differential and common mode equivalent circuits on the other. Three illustrative DL structures are considered and analytically solved, with the objective to put in evidence the effects of the aforesaid geometrical nonidealities on the degradation of the differential mode signal propagating along the DL as well as on the generation of undesired commonmode currents/voltages. A circuit interpretation of the involved phenomena is provided, and the relevant geometrical parameters are identified.
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Chicago
Grassi, Flavia, Paolo Manfredi, Xiaokang Liu, Jingkai Sun, Xinglong Wu, Dries Vande Ginste, and Sergio A. Pignari. 2017. “Effects of Undesired Asymmetries and Nonuniformities in Differential Lines.” Ieee Transactions on Electromagnetic Compatibility 59 (5): 1613–1624.
APA
Grassi, F., Manfredi, P., Liu, X., Sun, J., Wu, X., Vande Ginste, D., & Pignari, S. A. (2017). Effects of undesired asymmetries and nonuniformities in differential lines. IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY, 59(5), 1613–1624.
Vancouver
1.
Grassi F, Manfredi P, Liu X, Sun J, Wu X, Vande Ginste D, et al. Effects of undesired asymmetries and nonuniformities in differential lines. IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY. 2017;59(5):1613–24.
MLA
Grassi, Flavia et al. “Effects of Undesired Asymmetries and Nonuniformities in Differential Lines.” IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY 59.5 (2017): 1613–1624. Print.
@article{8551660,
  abstract     = {In this paper, the effects of undesired asymmetry and nonuniformity on differential line (DL) circuits are modeled as deviations from the ideal, nominal geometrical characteristics of a perfectly symmetrical and uniform DL, whose performance is taken as reference. To this end, the involved multiconductor transmission line equations are solved in the modal domain by a decoupled approach based on the perturbation of the p.u.l. parameters of the ideal DL on one hand, and on the assumption of weak coupling between the corresponding differential and common mode equivalent circuits on the other. Three illustrative DL structures are considered and analytically solved, with the objective to put in evidence the effects of the aforesaid geometrical nonidealities on the degradation of the differential mode signal propagating along the DL as well as on the generation of undesired commonmode currents/voltages. A circuit interpretation of the involved phenomena is provided, and the relevant geometrical parameters are identified.},
  author       = {Grassi, Flavia and Manfredi, Paolo and Liu, Xiaokang and Sun, Jingkai and Wu, Xinglong and Vande Ginste, Dries and Pignari, Sergio A.},
  issn         = {0018-9375},
  journal      = {IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY},
  keywords     = {IBCN},
  language     = {eng},
  number       = {5},
  pages        = {1613--1624},
  title        = {Effects of undesired asymmetries and nonuniformities in differential lines},
  url          = {http://dx.doi.org/10.1109/TEMC.2017.2686699},
  volume       = {59},
  year         = {2017},
}

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