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학술지 Partial EBG Structure with DeCap for Ultra-wideband Suppression of Simultaneous Switching Noise in a High-Speed System
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저자
권종화, 곽상일, 심동욱, 육종관
발행일
201004
출처
ETRI Journal, v.32 no.2, pp.265-272
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.10.1409.0060
협약과제
09MR5200, 전자파 기반 진단 및 방호기술 연구, 전순익
초록
To supply a power distribution network with stable power in a high-speed mixed mode system, simultaneous switching noise caused at the multilayer PCB and package structures needs to be sufficiently suppressed. The uniplanar compact electromagnetic bandgap (UC-EBG) structure is well known as a promising solution to suppress the power noise and isolate noise-sensitive analog/RF circuits from a noisy digital circuit. However, a typical UCEBG structure has several severe problems, such as a limitation in the stop band's lower cutoff frequency and signal quality degradation. To make up for the defects of a conventional EBG structure, a partially located EBG structure with decoupling capacitors is proposed in this paper as a means of both suppressing the power noise propagation and minimizing the effects of the perforated reference plane on the signal quality. The proposed structure is validated and investigated through simulation and measurement in both frequency and time domains. Copyright © 2010 ETRI.
키워드
Decoupling capacitor (DeCap), Electromagnetic bandgap (EBG), Power integrity (PI), Signal integrity (SI), Simultaneous switching noise (SSN)
KSP 제안 키워드
Cut-off frequency, Distribution network(DN), EBG structure, Electromagnetic BandGap(EBG), High Speed, Multilayer PCB, Power distribution network, Power noise, Quality degradation, RF circuits, Reference Plane