Equivalent Circuit Model Development Accounting for Mutual-Coupling Effects

IF 1.8 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Chandan Roy;Ke Wu
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引用次数: 0

Abstract

Mutual-coupling effects are of utmost importance in the development of high-frequency circuits and systems. However, it is a common practice to ignore those couplings when establishing equivalent circuit models. Neglecting these couplings leads to inaccurate circuit modelling. Therefore, it becomes imperative to account for mutual couplings in the development of accurate equivalent circuit models. This work presents a holistic process for synthesizing the equivalent circuit model of an electromagnetic (EM) field structure that incorporates mutual couplings of varying orders. The proposed high-order framework begins by developing equivalent circuit models for each individual transmission line discontinuity within the target circuit. Subsequently, the mutual couplings of different orders are extracted in a step-by-step manner. Throughout this process, full-wave EM simulations are deployed, along with a circuit parameter extraction method that utilizes de-embedded circuit responses. By combining these techniques, a comprehensive and accurate equivalent circuit model is generated, enabling a detailed analysis of the target field model structure, and facilitating a deeper understanding of its electrical and magnetic behavior and performance. This paper utilizes a three-step microstrip discontinuity structure and a third-order parallel coupled microstrip filter as examples for theoretical and experimental demonstration of the proposed technique.
考虑相互耦合效应的等效电路模型开发
在开发高频电路和系统时,相互耦合效应至关重要。然而,通常的做法是在建立等效电路模型时忽略这些耦合效应。忽略这些耦合会导致电路建模不准确。因此,在建立精确的等效电路模型时必须考虑相互耦合。本研究提出了一种综合电磁(EM)场结构等效电路模型的整体流程,其中包含不同阶次的相互耦合。所提议的高阶框架首先为目标电路中的每个单独传输线不连续性建立等效电路模型。随后,逐步提取不同阶数的相互耦合。在整个过程中,将采用全波电磁仿真以及利用去嵌入式电路响应的电路参数提取方法。通过将这些技术相结合,可生成全面、准确的等效电路模型,从而能够对目标场模型结构进行详细分析,并有助于深入了解其电气和磁行为及性能。本文以一个三阶微带不连续结构和一个三阶并联耦合微带滤波器为例,对所提出的技术进行了理论和实验演示。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.30
自引率
0.00%
发文量
27
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