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The use of lattice networks for modelling symmetric transmission line components and discontinuities
Author(s) -
AbdoSánchez Elena,
Esteban Jaime,
MartínGuerrero Teresa M.,
Page Juan E.,
CamachoPeñalosa Carlos
Publication year - 2013
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.27385
Subject(s) - classification of discontinuities , transmission line , microstrip , network topology , lattice (music) , microwave , realizability , electrical impedance , electric power transmission , resonator , topology (electrical circuits) , electronic engineering , computer science , physics , engineering , telecommunications , mathematics , electrical engineering , mathematical analysis , acoustics , algorithm , computer network
This article proposes the lattice network as a beneficial alternative to T‐ and $ \Pi - $ topologies for modeling symmetric transmission line discontinuities and components.The lattice network presents some important features, which make it a powerful tool to find realizable equivalent circuits. The limitations of the T‐ and $ \Pi - $ topologies and the validity of the lattice network in terms of realizability are highlighted in this article through two microstrip components: a dumbbell‐shaped defected ground structure and a microstrip stepped‐impedance hairpin resonator. Moreover, the lattice image impedance is proposed here as a parameter that allows determining whether a branch of the network is predominant . © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:636–639, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27385
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