Abstract
A novel multilayer electromagnetic bandgap (EBG) structure with two spiral-shaped planes embedded between the power plane and the traditional high-impedance surface (HIS) is presented. The equivalent capacitance between the power plane and the HIS and the self-inductance of the patch can be increased significantly, while the self-inductance of the power plane is decreased. The proposed EBG structure performs excellent ultra-wide band simultaneous switching noise mitigation and keeps signal integrity in high-speed digital circuits. The suppression bandgap of the design is from 0.6 to 15 GHz at −30 dB. Good performance is validated by both simulation and measurement. © 2012 Wiley Periodicals, Inc. Int J RF and Microwave CAE, 2013.
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