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Recently, wireless radio terminals such as mobile phones and tablet computers are increasing and developing rapidly. The effects of the electromagnetic (EM) waves in the human body from the wireless radio terminal have been paid attention. Therefore, we have calculated the specific absorption rate (SAR) in human tissues radiated from simple EM source models as like dipole antennas. In this paper,...
A common mode choke coil (CMC) is mounted on the differential signal lines to suppress common mode noise propagating on differential signal lines. To evaluate the noise suppression effect of the CMC in the design phase of the equipments, 3D electromagnetic simulation considering the physical structure of the circuit, such as the pattern layout of the printed circuit board and inter connection, should...
Electronic devices may act as unintentional radiators. Hence, the prediction of their breakdown behaviour is not possible by design. Instead, time-consuming measurements are necessary to determine their radiation patterns. Stochastic approaches help to do approximations, but need to be validated e.g. by numerical field simulations. In this paper, simulation objects are created by the use of the software...
All electronic devices must meet electromagnetic compatibility (EMC) standards to ensure safe and reliable operations. Using simulations to investigate possible EMC issues during the design stage can be used to quickly identify possible issues. Realistic simulations may however result in very large scale problems, especially if one wants to include all possible environment effects. This article describes...
This paper presents the dosimetric evaluation of the infant's exposure to electromagnetic fields from an electronic article surveillance system working at 125 kHz. A recently developed realistic infant anatomical model is deformed to achieve the standing, sitting and the supine postures. We perform the quasi-static calculation for the 99th percentile induced electric field, the peak specific absorption...
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