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학술지 A spiral-shaped defected ground structure for coplanar waveguide
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저자
임종식, 김철수, 이영택, Dal Ahn, 남상욱
발행일
200209
출처
IEEE Microwave and Wireless Components Letters, v.12 no.9, pp.330-332
ISSN
1531-1309
출판사
IEEE
DOI
https://dx.doi.org/10.1109/LMWC.2002.803208
협약과제
01MB4400, 유무선 통합 중계기용 60 GHz급 밀리미터파 신호원 기술, 김호영
초록
This letter presents a spiral-shaped defected ground structure for coplanar waveguides (DGSCPW), which can be used as a kind of periodic structure for planar transmission line. The proposed spiral-DGSCPW adopts spiral-shaped defects on both ground planes of CPW. Due to the spiral-shaped defects, the equivalent shunt inductance and slow-wave effects increase more rapidly than the standard CPW or CPW lines combined with the conventional PBG. The modeling and analysis to extract the equivalent circuit, increased slow-wave factor, and simulated and measured performances are presented.
KSP 제안 키워드
CPW lines, Coplanar Waveguide Feeding(CPW), Equivalent Circuit, Slow-wave, defected ground structure(DGS), ground planes(GP), modeling and analysis, periodic structure, planar transmission line