Meander-DGS Effect on Electromagnetic Bandgap Structure for Power/Ground Noise Suppression in High-Speed Integrated Circuit Packages and PCBs

被引：2
作者：
Kim, Myunghoi [1 ]
机构：
[1] Hankyong Natl Univ, Sch ICT Robot & Mech Engn, Anseong 17579, South Korea
来源：
ELECTRONICS | 2022年 / 11卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
defected ground structure (DGS); electromagnetic bandgap (EBG); metamaterial; miniaturization; power; ground noise; SIMULTANEOUS SWITCHING NOISE; COMPACT EBG STRUCTURE; WIDE-BAND; POWER PLANE; MITIGATION; REDUCTION; RADIATION; BANDWIDTH; JITTER; EMI;
D O I：
10.3390/electronics11020211
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we present the impact of a meander-shaped defected ground structure (MDGS) on the slow-wave characteristics of a lowest-order passband and a low cutoff frequency of the first stopband of an electromagnetic bandgap (EBG) structure for power/ground noise suppression in high-speed integrated circuit packages and printed circuit boards (PCBs). A semi-analytical method is presented to rigorously analyze the MDGS effect. In the analytical method, a closed-form expression for a low cutoff frequency of the MDGS-EBG structure is extracted with an effective characteristic impedance and a slow-wave factor. The proposed analytical method enables the fast analysis of the MDGS-EBG structure so that it can be easily optimized. The analysis of the MDGS effect revealed that the low cutoff frequency increases up to approximately 19% while comparing weakly and strongly coupled MDGSs. It showed that the miniaturization of the MDGS-EBG structure can be achieved. It was experimentally verified that the low cutoff frequency is reduced from 2.54 GHz to 2.00 GHz by decreasing the MDGS coupling coefficient, which is associated with the miniaturization of the MDGS-EBG structure in high-speed packages and PCBs.
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页数：15
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