Frank Sabath

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Common mode radiation often is the predominant contribution to the overall radiation from printed circuit boards. Since the return paths for common{mode currents are via displacement current, the proximity of the printed transmission lines to nearby metal objects become important. It is shown that common mode currents are due to the asymmetry of the printed(More)
Commercial of the shelf (COTS) SRAMS were investigated by measurements and simulation in terms of radiation hardness. For the simulations the GEANT4 tool was used. With GEANT4 it is possible to determine the different particles generated by the applied energy as well as the radiation source. It was found that the single event upsets (SEU) is related to the(More)
{ The knowledge of the current distribution on the ground plane of a Printed Circuit Board (PCB) is important to overcome many electromagnetic compatibility (EMC) problems. In this paper a Method of Moments (MoM) algorithm is used to evaluate the surface current distribution on the ground plane. To consider the eeects of GND/VCC-planes to the signal(More)
Due to the high frequencies of analog and/or digital signals and a high package density on Printed Circuit Boards (PCB), problems occur concerning re-ection, crosstalk, radiation, and irradiation. New design methods have to consider the analysis of the expected radiation behaviour already during the design{phases of a PCB. If violations of the legal(More)
This paper focuses on the coupling of ultra wideband (UWB) fields into marine equipment and discusses possible hardening techniques to increase the equipment's immunity. An evaluation procedure to determine the coupled disturbances e.g. the induced voltage at the input of an electronic component using numerically computed field and coupling transfer(More)
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