基于时域有限差分法的电路板电磁干扰建模

M. Rahmani, M. Mazzola
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引用次数: 1

摘要

本文研究了电子电路板电磁干扰(EMI)的计算与仿真。采用Keysight EMPro时域有限差分(FDTD)模拟器进行仿真。研究了由于激励电压的水平变化和模拟点相对于板的空间坐标(角度)的变化所引起的模拟辐射发射。仿真结果与美国联邦通信委员会(FCC)第15部分B类在3米限制下进行了比较。
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Modeling of electromagnetic interference in electronic boards using finite difference time domain method
This paper addresses calculation and simulation of Electromagnetic Interference (EMI) on the electronic boards. Keysight EMPro Finite Difference Time Domain (FDTD) simulator is utilized for simulation. The simulated radiated emission is studied due to level variations of excitation voltage and the spatial coordinates (angle) of simulated point regarded to the board. The simulation results are compared to the Federall Communications Commission (FCC) Part 15 Class B at three meters limit.
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