A Serpent Bridge Electromagnetic Bandgap Structure for Suppressing Simultaneous Switching Noise

D.-B. Lin Institute of Computer and Communication Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-hsiao E. Road, Taipei, 10608, Taiwan, R.O.C.

K.-C. Hung Institute of Computer and Communication Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-hsiao E. Road, Taipei, 10608, Taiwan, R.O.C.;, Email: [email protected]

C.-T. Wu Department of Electrical Engineering, Da-Yeh University, No. 112, Shanjiao Road, Dacun, Changhua, 51591, Taiwan, R.O.C.

C.-S. Chang Institute of Microelectronics, Department of Electrical Engineering, National Cheng-Kung University, No. 1 University Road, Tainan City 701, Taiwan, R.O.C.

Abstract

This work presents a novel design of power/ground planes with electromagnetic bandgap structures for suppressing wide-band simultaneous switching noise. A serpent bridge is used to increase the effective inductance between adjacent cells in a given electromagnetic bandgap structure. The suppression frequency ranges from 0.27 GHz to 20 GHz, and the simultaneous switching noise in this range are attenuated by 20 dB. Experimental results indicate that the proposed structure is better than existing bandgap structures and can suppress noise over a wide frequency range.

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A Serpent Bridge Electromagnetic Bandgap Structure for Suppressing Simultaneous Switching Noise

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A Serpent Bridge Electromagnetic Bandgap Structure for Suppressing Simultaneous Switching Noise

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