Extended Network Parameters for Transmission Line Networks Subject to External Field Illumination

Microwave network parameters are prevalently used in the modeling of transmission lines. It can characterize the interconnection of ports and is supported by most SPICE software. However, traditional microwave network parameters cannot characterize the role of external fields; this is a common conce...

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Bibliographic Details
Published inApplied Computational Electromagnetics Society journal Vol. 40; no. 4; p. 340
Main Authors Zhang, Mingwen, Ma, Chunguang, Zhang, Bicheng, Luo, Yong
Format Journal Article
LanguageEnglish
Published Pisa River Publishers 01.04.2025
Subjects
Decomposition
Electromagnetic compatibility
Electromagnetic interference
Parameters
Solvers
Transmission lines
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ISSN1054-4887
1943-5711
DOI10.13052/2024.ACES.J.400408

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Summary:Microwave network parameters are prevalently used in the modeling of transmission lines. It can characterize the interconnection of ports and is supported by most SPICE software. However, traditional microwave network parameters cannot characterize the role of external fields; this is a common concern in electromagnetic compatibility or electromagnetic interference analysis. In this paper, external excitation is treated as an additional port in the circuit. An extended network parameter is proposed to model the transmission lines excited by the external field. The extended network parameters can be used easily in the SPICE solver to analyze responses on linear or nonlinear loads. The proposed method is suitable for evaluating the electromagnetic interference of complex transmission line networks or PCBs, and it can use the advantages of circuit solvers for tuning or optimization with less computational burden.
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ISSN:1054-4887
1943-5711
DOI:10.13052/2024.ACES.J.400408