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《Microelectronics》 2016-04
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A New T-Lumped-Element Equivalent Circuit Model on Planar Spiral Transformers

MA Minglin;CHEN Yuan;JIN Xiangliang;LI Chengwei;LI Zhijun;The College of Information and Engineering,Xiangtan University;Hunan Engineering Laboratory for Microelectronics,Optoelectronics and System on a Chip;School of Physics and Optoelectronics,Xiangtan University;  
A new T-lumped-element equivalent circuit model of quadrilateral-shaped planar spiral transformers was presented.The model could accurately capture the substrate parasitic losses and conductor losses in the transformer windings.A parallel L-Rand L-R-C network model was used to characterize the substrate inductive parasitic effects.All the elements could be extracted by using two port network analytical method and vector fitting method.In order to verify the model's validity and accuracy,the simulated data of T-model was compared with the data of HFSS,and an excellent agreement had been found over a broad frequency range from 0to 20 GHz.
【Fund】: 国家自然科学基金资助项目(61233010 61176030);; 湖南省自然科学基金资助项目(2015JJ2140);; 湖南省教育厅科学研究资助项目(14C1072)
【CateGory Index】: TM401
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