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IEICE TRANSACTIONS on Fundamentals

New Criteria of Selective Orthogonal Matrix Least-Squares Method for Macromodeling Multiport Networks Characterized by Sampled Data

Yuichi TANJI, Masaya SUZUKI, Takayuki WATANABE, Hideki ASAI

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Summary :

This paper presents the selective orthogonal matrix least-squares (SOM-LS) method for representing a multiport network characterized by sampled data with the rational matrix, improving the previous works, and providing new criteria. Recently, it is needed in a circuit design to evaluate physical effects of interconnects and package, and the evaluation is done by numerical electromagnetic analysis or measurement by network analyzer. Here, the SOM-LS method with the criteria will play an important role for generating the macromodels of interconnects and package in circuit simulation level. The accuracy of the macromodels is predictable and controllable, that is, the SOM-LS method fits the rational matrix to the sampled data, selecting the dominant poles of the rational matrix. In examples, simple PCB models are analyzed, where the rational matrices are described by Verilog-A, and some simulations are carried out on a commercial circuit simulator.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E88-A No.2 pp.524-532
Publication Date
2005/02/01
Publicized
Online ISSN
DOI
10.1093/ietfec/e88-a.2.524
Type of Manuscript
Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
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