多孔有限像面上小环形天线的辐射特性

2015 10th International Workshop on the Electromagnetic Compatibility of Integrated Circuits (EMC Compo) Pub Date : 2015-12-17 DOI:10.1109/EMCCOMPO.2015.7358361

R. Blečić, R. Gillon, B. Nauwelaers, A. Barić

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引用次数: 0

摘要

环形天线的辐射特性，相比波长小，并放置在一个穿孔的有限成像平面的中央，提出。在多层印刷电路板(pcb)中，当通孔通过作为反射器的第二层时，成像平面上通常会出现孔。采用三维有限元法(FEM)对一种系统级封装(SiP)同步降压变换器进行了电磁仿真，分析了孔对变换器特性的影响。通过三维有限元电磁仿真，分析了小孔数目和半径对穿孔像面上小环形天线的辐射特性和电感的影响。推导了用于磁驱动源(如DC-DC转换器)的多层pcb设计准则。

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Radiation characteristics of small loop antenna above perforated finite image plane

Radiation characteristics of a loop antenna, small compared to the wavelength and placed centrally above a perforated finite image plane, are presented. Holes in the image plane typically occur in a multilayer printed circuit boards (PCBs) when vias pass through the second layer which serves as a reflector. A 3D finite element method (FEM) electromagnetic (EM) simulation of a System-in-Package (SiP) synchronous buck converter shows a significant impact of the holes on the characteristics of the converter. A parametric analysis of the impact of the number and radius of holes on the radiated characteristics and on the inductance of a small loop antenna above perforated image plane is performed by 3D FEM EM simulations. Guidelines for a design of multilayer PCBs for magnetically driven sources, such as DC-DC converters, are deduced.

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2015 10th International Workshop on the Electromagnetic Compatibility of Integrated Circuits (EMC Compo)

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