A study on characteristics of EM radiation from stripline structure

Kayano, Yoshiki; Inoue, Hiroshi

doi:10.1029/2011rs004735

Cited by 2 publications

(1 citation statement)

References 15 publications

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“…Now, the PCB with infinite ground plane, in which the Factor (3) can be neglected, is considered as the model under discussion. The physics‐based model for identifying and quantifying frequency response of the EM radiation from an asymmetrical differential‐paired lines on an infinite ground plane has been proposed [ Kayano and Inoue , , , ]. As the methodologies of analyzing far electric field (radiated emission) have been studied for many years, the far electric field can be obtained by integrating the current distribution over the surface of the radiator [ Kraus , ].…”

Section: Identifying Frequency Response Of Radiated Emissionmentioning

confidence: 99%

Dominant factors of electromagnetic interference problems of asymmetrical and equi-distance differential-paired lines

Kayano

Inoue

2015

Radio Sci.

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Key Points:• The paper focuses on differential-paired lines with equi-distance routing • Characteristics and dominant imbalance and radiation factor is identified • The validity of the equivalent circuit model was demonstrated Supporting Information:• Readme • Figure S1 • Figure S2 • Figure S3 • Figure S4a • Figure S4b • Figure S5a Abstract Multichannel differential signaling scheme is one of the key technologies for modern electronics systems. For actual system, the ideal balance or symmetrical topology cannot be established, and hence, an imbalance component is excited. To provide the basic considerations for electromagnetic (EM) radiation from practical asymmetrical differential-paired lines structure with equi-distance routing, in which the same-length paired lines are used in high-speed board/LSI layout design, in this paper we newly attempt to clarify the characteristics and to identify dominant imbalance and EM radiation factor from asymmetrical differential-paired lines, by a physics-based model. The frequency response of EM radiation from asymmetrical differential-paired lines can be identified using the physics-based model. The physics-based model is constructed with an equivalent circuit model to calculate current distribution, and radiation model based on Hertzian dipole antenna. It is validated by comparing the predicted results with finite difference time domain simulation. This paper reported the basic characteristics of imbalance component of differential-paired lines with asymmetrical equi-distance routing and demonstrates the dominant factor of imbalance component and EM radiation successfully.

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Section: Identifying Frequency Response Of Radiated Emissionmentioning

confidence: 99%