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Left Hand Mode Transmission Line Characteristics Made by F-SIR Structure on PCB
Ryosuke YANAGISAWA Yoshiki KAYANO Hiroshi INOUE
IEICE TRANSACTIONS on Communications
Publication Date: 2010/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto)
left hand mode transmission line, folded-stepped impedance resonator, backward propagation, negative group delay,
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Basic left hand mode transmission line (LH mode TL) characteristics made on PCB is an important future issue for the application of the EMC field. In this paper, possibility of a LH mode TL characteristic made by a folded-stepped impedance resonator (F-SIR) type is investigated experimentally and numerically. The experimental and calculated from FEM and equivalent circuit results indicate that some backward propagation characteristic and negative group delay can be established by F-SIR structure.