Estimation of Spatial Distribution of Wideband Electromagnetic Noise around a Printed Circuit Board(Electromagnetic Compatibility(EMC))
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概要
- 論文の詳細を見る
In this study, the frequency and spatial properties of undesired electromagnetic radiation distribution around a simple printed circuit hoard (PCB) model, which only has the mismatching printed line (PL) and ground, are estimated. Finite difference time domain (FDTD) modeling is developed for the analysis space, which is 500 × 400 × 51mm^3 in size, around the PCB. As the driving clock pulse has a very wide frequency bandwidth, ranging from kHz to GHz. basic and precise investigation of the noise emission mechanism from the basic model is performed. The results of the magnetic field H_x on the PCB as determined by FDTD simulation, and those of the experiment, driven by a clock pulse, agree well. The results show that although this approach is basic and simple, it becomes clear that the frequency and spatial characteristics of the electric and magnetic field near the PCB are influenced by the wavelength of the frequency and appling the driving clock pulse, and the low-frequency component of the electromagnetic distribution around the PCB is larger than the high-frequency components. It is suggested that the low-frequency noise problem should be carefully considered
- 社団法人電子情報通信学会の論文
- 2003-07-01
著者
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INOUE Hiroshi
Faculty of Engineering, Himeji Institute of Technology
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Takahashi Ken-ichi
Department Of Surgery Tohoku Rosai Hospital
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Kasuga T
Department Of System And Control Engineering Hosei University
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Kasuga T
Akita Univ. Akita‐shi Jpn
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Kasuga Takashi
Faculty Of Engineering And Resource Science Akita University
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Inoue H
Faculty Of Engineering And Resource Science Akita University
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TANAKA Motoshi
Faculty of Engineering and Resource Science, Akita University
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Tanaka M
Faculty Of Engineering And Resource Science Akita University
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Tanaka Motoshi
Faculty Of Engineering And Resource Science Akita University
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Inoue Hiroshi
Faculty Of Eng. Osaka Univ.
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