TDR Analysis of Electromagnetic Radiation from a Bend of Micro-Strip Line

Jianqing WANG; Osamu FUJIWARA

doi:10.1093/ietcom/e88-b.8.3207

TDR Analysis of Electromagnetic Radiation from a Bend of Micro-Strip Line

Jianqing WANG, Osamu FUJIWARA

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Discontinuity such as a bend in a micro-strip line is known as one of major radiation sources. The total radiation from the micro-strip line is, however, being generally investigated because of the difficulties in identifying the radiation from some specific location. In this paper, paying attention to the feature of TDR (Time-Domain Reflectometry) measurement, we made an attempt to extract the radiation only from the bend in a micro-strip line. Such an approach is useful in understanding its radiation mechanism. As a result, we found that the larger the bend angle is, the larger the radiation power becomes. The radiation power achieved 3.5% at maximum when the bending angle was 90at the frequencies below 1 GHz. We also examined the validity of the TDR analysis in comparison with network analyzer measurement. We obtained the radiation power versus frequency from the measured scattering parameters, which exhibited a fair agreement with the TDR result.

Publication: IEICE TRANSACTIONS on Communications Vol.E88-B No.8 pp.3207-3212

Publication Date: 2005/08/01

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DOI: 10.1093/ietcom/e88-b.8.3207

Type of Manuscript: Special Section PAPER (Special Section of 2004 International Symposium on Electromagnetic Compatibility)

Category: Printed Circuit Boards

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Jianqing WANG, Osamu FUJIWARA, "TDR Analysis of Electromagnetic Radiation from a Bend of Micro-Strip Line" in IEICE TRANSACTIONS on Communications, vol. E88-B, no. 8, pp. 3207-3212, August 2005, doi: 10.1093/ietcom/e88-b.8.3207.
Abstract: Discontinuity such as a bend in a micro-strip line is known as one of major radiation sources. The total radiation from the micro-strip line is, however, being generally investigated because of the difficulties in identifying the radiation from some specific location. In this paper, paying attention to the feature of TDR (Time-Domain Reflectometry) measurement, we made an attempt to extract the radiation only from the bend in a micro-strip line. Such an approach is useful in understanding its radiation mechanism. As a result, we found that the larger the bend angle is, the larger the radiation power becomes. The radiation power achieved 3.5% at maximum when the bending angle was 90at the frequencies below 1 GHz. We also examined the validity of the TDR analysis in comparison with network analyzer measurement. We obtained the radiation power versus frequency from the measured scattering parameters, which exhibited a fair agreement with the TDR result.
URL: https://global.ieice.org/en_transactions/communications/10.1093/ietcom/e88-b.8.3207/_p

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@ARTICLE{e88-b_8_3207,
author={Jianqing WANG, Osamu FUJIWARA, },
journal={IEICE TRANSACTIONS on Communications},
title={TDR Analysis of Electromagnetic Radiation from a Bend of Micro-Strip Line},
year={2005},
volume={E88-B},
number={8},
pages={3207-3212},
abstract={Discontinuity such as a bend in a micro-strip line is known as one of major radiation sources. The total radiation from the micro-strip line is, however, being generally investigated because of the difficulties in identifying the radiation from some specific location. In this paper, paying attention to the feature of TDR (Time-Domain Reflectometry) measurement, we made an attempt to extract the radiation only from the bend in a micro-strip line. Such an approach is useful in understanding its radiation mechanism. As a result, we found that the larger the bend angle is, the larger the radiation power becomes. The radiation power achieved 3.5% at maximum when the bending angle was 90at the frequencies below 1 GHz. We also examined the validity of the TDR analysis in comparison with network analyzer measurement. We obtained the radiation power versus frequency from the measured scattering parameters, which exhibited a fair agreement with the TDR result.},
keywords={},
doi={10.1093/ietcom/e88-b.8.3207},
ISSN={},
month={August},}

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TY - JOUR
TI - TDR Analysis of Electromagnetic Radiation from a Bend of Micro-Strip Line
T2 - IEICE TRANSACTIONS on Communications
SP - 3207
EP - 3212
AU - Jianqing WANG
AU - Osamu FUJIWARA
PY - 2005
DO - 10.1093/ietcom/e88-b.8.3207
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E88-B
IS - 8
JA - IEICE TRANSACTIONS on Communications
Y1 - August 2005
AB - Discontinuity such as a bend in a micro-strip line is known as one of major radiation sources. The total radiation from the micro-strip line is, however, being generally investigated because of the difficulties in identifying the radiation from some specific location. In this paper, paying attention to the feature of TDR (Time-Domain Reflectometry) measurement, we made an attempt to extract the radiation only from the bend in a micro-strip line. Such an approach is useful in understanding its radiation mechanism. As a result, we found that the larger the bend angle is, the larger the radiation power becomes. The radiation power achieved 3.5% at maximum when the bending angle was 90at the frequencies below 1 GHz. We also examined the validity of the TDR analysis in comparison with network analyzer measurement. We obtained the radiation power versus frequency from the measured scattering parameters, which exhibited a fair agreement with the TDR result.
ER -