FDTD Simulation and Experimental Study on Line Impedance and Magnetic Near Field Noise for a Simple Printed Line Model(Special Issue on Recent Progress in Electromagnetic Compatibility Technology)
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概要
- 論文の詳細を見る
This study is to clear how the impedance and the current of a simple printed line model involve to the near field electromagnetic noise radiation, by computer simulation and experiment. Frequency characteristics of the impedance and the current of the printed line and the near field noise are considered, from low to high frequency components. The model size 225×60×0.51mm^3, length of the line is 185×5mm^2 and 1kΩ termination resistance is connected as non-matching load. FDTD method is used to calculate the impedance, the current waveform and the near field noise. Measurements of the line impedance and the near field noise spectrum by clock pulse are compared with simulations. It is cleared that using FDTD method, the characteristic of impedance of the printed line model, the current waveform, and the near field noise can be calculated at the same simulator. As results, from calculation and measurement, the near field noise has a relationship with impedance of printed line model. Emission at frequency less than 200MHz, which is near the wavelength of λ / 4, is observed at significant itnensity. So, it is suggested that near field noise emission should be discussed from low to high frequency and analysis of the characteristics of the printed line and magnetic near field noise using FDTD method and measurement is useful to basic examination of complex PCB models.
- 社団法人電子情報通信学会の論文
- 2000-03-25
著者
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INOUE Hiroshi
The First Department of Surgery, School of Medicine, Tokai University
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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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Inoue H
Faculty Of Engineering And Resource Science Akita University
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KASUGA Takashi
the 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
the Faculty of Engineering and Resource Science, Akita University
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Kasuga Takashi
The Faculty Of Engineering And Resource Science Akita University
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Inoue Hiroshi
The Faculty Of Engineering And Resource Science Akita University
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