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Frequency‐domain modal analysis of nonuniformly coupled transmission‐line structures
Author(s) -
Brandão Faria J. A.
Publication year - 2004
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.20415
Subject(s) - modal , microwave , modal analysis , transmission line , port (circuit theory) , electric power transmission , electronic engineering , representation (politics) , transformation matrix , transformation (genetics) , frequency domain , engineering , ray transfer matrix analysis , line (geometry) , matrix (chemical analysis) , transmission (telecommunications) , matrix representation , topology (electrical circuits) , computer science , electrical engineering , physics , telecommunications , optics , structural engineering , materials science , mathematics , geometry , finite element method , law , chemistry , composite material , biochemistry , kinematics , classical mechanics , quantum mechanics , political science , computer vision , politics , polymer chemistry , group (periodic table) , gene
The analysis of n ‐coupled transmission lines with nonuniform cross‐section is often necessary in the design and simulation of high‐speed integrated circuits. A new modal analysis technique is presented, illustrating how a 2 n ‐port coupled nonuniform line structure can be broken down into a set of n uncoupled 2‐port nonuniform lines. Modal propagation parameters and modal transformation matrices are retrieved from the entries of the ABCD‐matrix representation of the n ‐coupled line structure. An application concerning a tapered transmission‐line system typically found in chip‐carrier interconnections is provided as an example. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 186–189, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20415
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