A Novel Compact Electromagnetic Band-gap Structure Using for SSN Suppression in High Speed Circuits
Shi Ling-feng Hou Bin
(Key Lab of High-Speed Circuit Design and EMC, Ministry of Education, Xidian University, Xi’an 710071, China)
(The Circuit Design Institute, Xidian University, Xi’an 710071, China)
Abstract:According to the physical mechanism of the Electromagnetic Band-Gap (EBG) structure and the equivalent circuit model of the planar EBG structure, a novel compact EBG structure is proposed for Simultaneous Switching Noise (SSN) suppression in high speed circuits. -30 dB stop-band is from 0.6 GHz to 6.4 GHz, and the bandwidth is 5.8 GHz. Comparing with the traditional L-bridge EBG structure, the bandwidth increases by 1.8 GHz and the relative bandwidth increases by 45%. A low band-gap center frequency and wide bandwidth is realized and good signal integrity is achieved.
史凌峰, 侯斌. 一种适用于高速电路中SSN抑制的紧凑型电磁带隙新结构[J]. 电子与信息学报, 2011, 33(9): 2283-2286.
Shi Ling-Feng, Hou Bin. A Novel Compact Electromagnetic Band-gap Structure Using for SSN Suppression in High Speed Circuits. , 2011, 33(9): 2283-2286.