Differential-to-Common-Mode Noise Conversion Suppression on Right-Angle-Bent Differential Transmission Lines Using 3D-Printed Dielectric Materials

IF 0.9 4区工程技术 Q4 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS

International Journal of RF and Microwave Computer-Aided Engineering Pub Date : 2023-09-20 DOI:10.1155/2023/1130129

Ook Chung, Hogeun Yoo, Suhyoun Song, Jaehoon Lee

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Abstract

A method using 3D-printed dielectric materials is proposed to suppress differential-to-common-mode noise conversion in right-angle-bent differential transmission lines. The permittivity of the 3D-printed dielectric material decreases the phase velocity of the shorter inner line of the differential transmission lines. Decreasing the phase velocity of the inner line enables the transmission line phase difference to approach 180°, suppressing differential-to-common-mode noise conversion. Simulation shows that increasing the length of the dielectric material causes a decrease in the phase velocity of the transmission line, suppressing differential-to-common-mode noise. The measured results agree with the simulation, indicating suppression in Scd21. The eye height of the eye diagram improved by 19.63%, improving the system signal integrity.

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利用3d打印介质材料抑制直角弯曲差分传输线的差共模噪声转换

提出了一种利用3d打印介质材料抑制直角弯曲差动传输线中差共模噪声转换的方法。3d打印介质材料的介电常数降低了差分传输线较短内线的相速度。减小内线的相速度可以使传输线相位差接近180°，从而抑制差共模噪声转换。仿真结果表明，增加介质材料的长度会降低传输线的相速度，从而抑制差共模噪声。测量结果与模拟结果一致，表明Scd21受到抑制。眼图眼高提高19.63%，提高了系统信号的完整性。

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来源期刊

International Journal of RF and Microwave Computer-Aided Engineering 工程技术-工程：电子与电气

CiteScore

4.00

自引率

23.50%

发文量

489

审稿时长

3 months

期刊介绍： International Journal of RF and Microwave Computer-Aided Engineering provides a common forum for the dissemination of research and development results in the areas of computer-aided design and engineering of RF, microwave, and millimeter-wave components, circuits, subsystems, and antennas. The journal is intended to be a single source of valuable information for all engineers and technicians, RF/microwave/mm-wave CAD tool vendors, researchers in industry, government and academia, professors and students, and systems engineers involved in RF/microwave/mm-wave technology. Multidisciplinary in scope, the journal publishes peer-reviewed articles and short papers on topics that include, but are not limited to. . . -Computer-Aided Modeling -Computer-Aided Analysis -Computer-Aided Optimization -Software and Manufacturing Techniques -Computer-Aided Measurements -Measurements Interfaced with CAD Systems In addition, the scope of the journal includes features such as software reviews, RF/microwave/mm-wave CAD related news, including brief reviews of CAD papers published elsewhere and a "Letters to the Editor" section.