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A simple but effective common-mode noise suppression filter using cavity-backed defected ground structure (DGS) is proposed for the application of multilayer printed circuit board (PCB). This filter adds a substrate-filled metallic cavity beneath a conventional DGS. Due to the shielding effect of the cavity, the back-radiation of the DGS can be significantly reduced, while the filtering behavior of...
This paper presents a system-level modeling method by integrating analytical and numerical methods to analyze conducted and radiated electromagnetic immunity of electronic systems. Through extracting the intrinsic behavioural characteristics from cables, PCBA (board, traces, vias, connectors and components) and enclosure by using the semi-analytical method, one equivalent circuit model is built which...
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