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The impact of near-field scanning sizes on the accuracy of far-field estimations is studied using a U-shape trace above a large ground plane as an example. Simulation model is built in commercial software and the planar near fields above the trace are obtained. Fourier Transform of the planar near fields is used to calculate the far-field radiations. Different sizes of planar scanning area are chosen...
This paper presents a novel model for average current control that can be applied to the buck-cascaded buck-boost converter (BuCBB) with two independently controlled switches in universal input power factor correction (PFC) circuits. The proposed BuCBB PFC model consists an averaged BuCBB topology with all the switching elements replaced by dependent sources and an average current control scheme with...
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