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Efficient modeling of power planes in computer packages using the finite difference time domain method

机译：使用时域有限差分法对计算机封装中的电源平面进行高效建模

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Recent advancements in electronic packaging, that have led to the development of high speed devices with increasingly high interconnect densities, have precipitated the need to incorporate high frequency effects in the modeling of these structures. The Finite Difference Time Domain (FDTD) method is not only well-suited for handling the complex geometries involved, but is also useful for generating the desired frequency response with a single simulation. In this paper, we describe several techniques for improving the computational efficiency of the conventional FDTD algorithm as applied to the problem of modeling complex power plane geometries. We also show how the time domain response can be processed to extract equivalent circuits that are valid in the high frequency regimes up to several GHz, and are suitable for use in circuit simulators.
机译：电子封装的最新进展已导致具有越来越高的互连密度的高速设备的发展，促使人们需要在这些结构的建模中纳入高频效应。时域有限差分（FDTD）方法不仅非常适合处理所涉及的复杂几何形状，而且还可用于通过一次仿真生成所需的频率响应。在本文中，我们描述了几种提高传统FDTD算法计算效率的技术，这些技术适用于对复杂电源平面几何建模的问题。我们还展示了如何处理时域响应，以提取等效电路，这些等效电路在高达几GHz的高频范围内有效，并且适用于电路模拟器。

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