Left Hand Mode Transmission Line Characteristics Made by F-SIR Structure on PCB

Ryosuke YANAGISAWA; Yoshiki KAYANO; Hiroshi INOUE

doi:10.1587/transcom.E93.B.1855

Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto

Left Hand Mode Transmission Line Characteristics Made by F-SIR Structure on PCB

Ryosuke YANAGISAWA, Yoshiki KAYANO, Hiroshi INOUE

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Keywords: left hand mode transmission line, folded-stepped impedance resonator, backward propagation, negative group delay

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2010 Volume E93.B Issue 7 Pages 1855-1857

DOI https://doi.org/10.1587/transcom.E93.B.1855

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Abstract

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.

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