The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
전자 장비의 인클로저는 디지털 처리 회로에서 원하지 않는 방출을 억제하는 중요한 품목입니다. 그러나 고주파수에서의 차폐 효과는 인클로저의 슬릿과 구멍에 의해 감소됩니다. 본 논문에서는 1GHz 이상의 인클로저의 차폐 효과를 평가하는 방법을 조사했습니다. O/E 변환기로 동작하는 디스크콘 안테나를 개발하고 모멘트법으로 방사특성을 계산하였다. 그 결과, 3GHz ~ 1GHz 주파수 범위에서 안테나를 작동한 경우 계산값과 측정값의 편차가 10dB 이내인 것으로 나타났습니다. 철망으로 구성된 인클로저 모델에 안테나를 배치하고 1GHz부터 3GHz까지 차폐 효과를 계산 및 측정했습니다. 그 결과, 계산된 값의 경향이 측정된 값의 경향과 거의 일치하는 것으로 나타났습니다. 안테나를 이용하여 1GHz부터 8GHz까지 PC케이스의 차폐효과를 조사하였다. 그 결과, 주파수 증가에 비례하여 차폐 효과가 감소하는 것으로 나타났으며, 이 주파수 범위에서 차폐 효과를 유지하려면 세심한 설계가 중요합니다.
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Fujio AMEMIYA, Nobuo KUWABARA, "Method of Evaluating Shielding Effect of Enclosure Using Disc-Cone Antenna Operated by O/E Converter from 1 GHz to 8 GHz" in IEICE TRANSACTIONS on Communications,
vol. E93-B, no. 7, pp. 1707-1714, July 2010, doi: 10.1587/transcom.E93.B.1707.
Abstract: Enclosures of electronic equipment are an important item to suppress the unwanted emissions from digital processing circuits. However, the shielding effect at high frequencies is decreased by slits and apertures of the enclosures. The method for evaluating shielding effect of enclosures above 1 GHz was investigated in this paper. A disc-cone antenna operated by an O/E converter was developed and the radiation property was calculated by the method of moment. The results indicated that the deviation between the calculation and the measurement value was within 3 dB in the case of that the antenna is operated in the frequency range from 1 GHz to 10 GHz. The antenna was placed in the enclosure model constructed with wire meshes and the shielding effects were calculated and measured from 1 GHz to 3 GHz. The results showed that the tendency of the calculated value closely agreed with that of the measured value. Using the antenna, the shielding effect of the PC cases were investigated from 1 GHz to 8 GHz. The results indicated that the shielding effect is decreased in proportion with the increase of frequency, and the careful design was important to maintain the shielding effect in this frequency range.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E93.B.1707/_p
부
@ARTICLE{e93-b_7_1707,
author={Fujio AMEMIYA, Nobuo KUWABARA, },
journal={IEICE TRANSACTIONS on Communications},
title={Method of Evaluating Shielding Effect of Enclosure Using Disc-Cone Antenna Operated by O/E Converter from 1 GHz to 8 GHz},
year={2010},
volume={E93-B},
number={7},
pages={1707-1714},
abstract={Enclosures of electronic equipment are an important item to suppress the unwanted emissions from digital processing circuits. However, the shielding effect at high frequencies is decreased by slits and apertures of the enclosures. The method for evaluating shielding effect of enclosures above 1 GHz was investigated in this paper. A disc-cone antenna operated by an O/E converter was developed and the radiation property was calculated by the method of moment. The results indicated that the deviation between the calculation and the measurement value was within 3 dB in the case of that the antenna is operated in the frequency range from 1 GHz to 10 GHz. The antenna was placed in the enclosure model constructed with wire meshes and the shielding effects were calculated and measured from 1 GHz to 3 GHz. The results showed that the tendency of the calculated value closely agreed with that of the measured value. Using the antenna, the shielding effect of the PC cases were investigated from 1 GHz to 8 GHz. The results indicated that the shielding effect is decreased in proportion with the increase of frequency, and the careful design was important to maintain the shielding effect in this frequency range.},
keywords={},
doi={10.1587/transcom.E93.B.1707},
ISSN={1745-1345},
month={July},}
부
TY - JOUR
TI - Method of Evaluating Shielding Effect of Enclosure Using Disc-Cone Antenna Operated by O/E Converter from 1 GHz to 8 GHz
T2 - IEICE TRANSACTIONS on Communications
SP - 1707
EP - 1714
AU - Fujio AMEMIYA
AU - Nobuo KUWABARA
PY - 2010
DO - 10.1587/transcom.E93.B.1707
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E93-B
IS - 7
JA - IEICE TRANSACTIONS on Communications
Y1 - July 2010
AB - Enclosures of electronic equipment are an important item to suppress the unwanted emissions from digital processing circuits. However, the shielding effect at high frequencies is decreased by slits and apertures of the enclosures. The method for evaluating shielding effect of enclosures above 1 GHz was investigated in this paper. A disc-cone antenna operated by an O/E converter was developed and the radiation property was calculated by the method of moment. The results indicated that the deviation between the calculation and the measurement value was within 3 dB in the case of that the antenna is operated in the frequency range from 1 GHz to 10 GHz. The antenna was placed in the enclosure model constructed with wire meshes and the shielding effects were calculated and measured from 1 GHz to 3 GHz. The results showed that the tendency of the calculated value closely agreed with that of the measured value. Using the antenna, the shielding effect of the PC cases were investigated from 1 GHz to 8 GHz. The results indicated that the shielding effect is decreased in proportion with the increase of frequency, and the careful design was important to maintain the shielding effect in this frequency range.
ER -