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In this paper we study the susceptibility of an integrated circuit, a Gigabit Ethernet Switch (GES), under Near Field Scan Immunity (NFSI) injection. The NFSI measure highlighted the weakness of the clock circuit of the GSE. The goal of this work is to model, simulate and predict such phenomenon. First, the model of the NFSI probe, based on 3D construction using CST™ studio Electromagnetic Software,...
In this paper, the immunity of a Gigabit Ethernet Switch (GES) embedded in an industrial Programmable Logic Controller (PLC) is analyzed. For this matter, two configurations are tested. In the first, the GES is mounted on a dedicated test board, which isolates the integrated circuit (IC) with minimum interface components. In the second, the GES is embedded in a commercial PLC product. A Near Field...
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