Noise reduction and design methodology in mixed-signal systems with alternating impedance electromagnetic bandgap (AI-EBG) structure

被引：0
|
作者：
Choi, J [1 ]
Govind, V [1 ]
Mandrekar, R [1 ]
Janagama, S [1 ]
Swaminathan, M [1 ]
机构：
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
来源：
2005 IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM, VOLS 1-4 | 2005年
关键词：
alternating impedance electromagnetic bandgap (AI-EBG) structure; mixed-signal system; isolation; noise reduction; signal integrity; electromagnetic interference;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents noise suppression and design methodology in mixed-signal systems with alternating impedance electromagnetic bandgap (AI-EBG) structure. The AI-EBG structure was developed recently and applied for noise isolation/suppression in mixed-signal systems. In this paper, the mixed-signal systems with and without the AI-EBG structure were designed and fabricated to see noise reduction effect due to AI-EBG structure. This AI-EBG structure showed excellent noise suppression in mixed-signal systems by suppressing all harmonic noise peaks due to digital circuits in a stopband range of -100 dB isolation (S-21) level. However, without carefully designing mixed-signal system with the AI-EBG structure, the use of the AI-EBG structure could cause problems associated with signal integrity as well as electromagnetic interference (EMI). In this paper, excellent noise suppression with AI-EBG structure is shown and design methodology in mixed-signal systems with AI-EBG structure is proposed to avoid possible problems associated with signal integrity as well as EMI.
引用
收藏
页码：849 / 852
页数：4
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