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  4. Construction of Reciprocal Macromodels in the Loewner Matrix Framework
 
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Construction of Reciprocal Macromodels in the Loewner Matrix Framework

Publikationstyp
Journal Article
Date Issued
2023
Sprache
English
Author(s)
Carrera-Retana, Luis Ernesto  
Marin-Sanchez, Mario  
Schuster, Christian  
Rimolo-Donadio, Renato  
Institut
Theoretische Elektrotechnik E-18  
TORE-URI
http://hdl.handle.net/11420/15005
Journal
IEEE transactions on microwave theory and techniques  
Volume
71
Issue
8
Start Page
3561
End Page
3571
Citation
IEEE Transactions on Microwave Theory and Techniques 71 (8): 3561-3571 (2023)
Publisher DOI
10.1109/TMTT.2023.3244613
Scopus ID
2-s2.0-85149423740
Publisher
IEEE
Many of the passive interconnect systems that arise in applications for analysis of power and signal integrity (PI/SI) are reciprocal by nature, and the transfer matrices of such systems are characterized by symmetry constraints. Therefore, it is natural to think in using reciprocal macromodels for the representation of reciprocal systems. Reciprocal macromodels do not only represent in a more faithful way the systems in which they are based upon, but given a reciprocal stable macromodel, it is computationally cheaper to find its passivity violations. This work shows how to construct reciprocal descriptor systems macromodels from black box data using the Loewner matrix (LM) framework, and also, it shows that it is possible to enforce stability and passivity in reciprocal stable macromodels, keeping its size and structure. Various examples of printed circuit board-based high-speed links and power delivery networks described by scattering parameters are used to demonstrate the effectiveness of the proposed approach.
Subjects
Descriptor systems
Frequency-domain analysis
Loewner matrix (LM) framework
Numerical stability
passivity enforcement
Power system stability
reciprocal macromodeling
Scattering parameters
Stability criteria
stability enforcement
Symmetric matrices
Transmission line matrix methods
DDC Class
621: Applied Physics
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