Abstract
In this paper, a novel concept for ultra-wideband simultaneous switching noise (SSN) mitigation in high-speed printed circuit boards (PCBs) is proposed. Using complementary spiral resonators (CSRs) etched on only a single layer of the power plane and cascaded co-centrically around the noise port, ultra-wideband SSN suppression by 30dB is achieved in a frequency span ranging from 340MHz to beyond 10GHz. By placing a slit in the co-centric rings, lower cut-ofi frequency is reduced to 150MHz, keeping the rest of the structure unaltered. Finally, the power plane structure with modifled complementary spiral resonators (MCSRs) is designed, fabricated, and evaluated experimentally. Measurement and simulation results are in well-agreement.
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