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In this paper, we propose that contactless resonance coupling transformers as power transfer systems in wearable smart devices. Then, the wearable device obtains electrical energy from radio frequency identification (RFID) technology. Inductive coupling used to transmit the energy to different functional areas in the wearable device drives various integrated circuits. Based on experimental results,...
The ground bounce noise (GBN) in high-integrative and high-complexity circuit designs is discussed in this paper. GBN doesn't only transmit its own power and ground plane but also couple to power and ground plane nearby. Therefore, power integrity (PI) will be affected by GBN. I use the segmentation method to cut off the cavity model of PCB. Here, I embed partial electromagnetic bandgap (EBG) structure...
In this paper, we propose the use of the modified nodal analysis (MNA) method to rederive cavity-mode equation of PCB power-bus structures with discrete capacitors. In some frequency, it shows impedance inaccuracies in the traditional double summation to calculate the transfer impedances for the studied PCB power-bus structures with discrete capacitors. Using our proposed method, we not only achieve...
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