Simultaneous switching noise mitigation in PCB using cascaded high-impedance surfaces |
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| Authors: | Shahparnia S Ramahi OM |
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| Affiliation: | Electr. & Comput. Eng. Dept., Univ. of Maryland, College Park, MD, USA; |
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| Abstract: | A novel concept for ultra-wide-bandwidth suppression of simultaneous switching noise (SSN) in high-speed printed circuit boards (PCBs) is proposed and implemented. This method consists of cascading high-impedance surfaces (HIS) with different stop bands, creating rejection over a wide frequency region. A PCB with the cascaded HIS design has been successfully fabricated and tested. |
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