Nonlinear Circuit Simulation by Means of Alfred Fettweis' Wave Digital Principles
Nonlinear Circuit Simulation by Means of Alfred Fettweis' Wave Digital Principles
复制标题
利用 Alfred Fettweis 的波数字原理进行非线性电路仿真
DOI：
10.1109/mcas.2018.2872666
复制
发表时间：
2019
影响因子：
6.9
通讯作者：
A. Kummert
中科院分区：
文献类型：
--
作者：
Tim Schwerdtfeger;A. Kummert
可靠的电路仿真在商业电路设计过程中起着基础性的作用。然而，当Alfred Fettweis在20世纪70年代初发明了波数字滤波器（WDF）的概念时，情况显然并非如此，因为像SPICE这样的工具还没有发布。但是，尽管Fettweis的新WDF能够提供模拟参考电路的精确数字模型，但它们大多被认为是数字滤波器设计的精心设计技术。在这篇文章中，我们提供了一个深入了解波数字滤波器，重点是非线性电路仿真，突出资产和缺点的方法。特别是，最近的结果，扩展波数字的概念，对一个通用的电路仿真策略与有趣的属性。
A dependable circuit simulation plays an elementary part in the process of commercial circuit design. However, when Alfred Fettweis invented the concept of Wave Digital Filters (WDFs) back in the early 1970s, that was clearly not the case as tools like SPICE hadn't been published yet. But even though Fettweis' new WDFs were able to provide an accurate digital model of analogue reference circuits, they were mostly perceived as an elaborated technique for digital filter design. In this article we provide an insight into Wave Digital Filters with a focus on nonlinear circuit simulation, highlighting assets and drawbacks of the method. In particular, recent results that extend the Wave Digital concept towards a general circuit simulation strategy with interesting properties are presented.