Enhanced CRLH Transmission Line Performances Using a Lattice Network Unit Cell

Author

Bongard, Frédéric ; Perruisseau-Carrier, Julien ; Mosig, Juan R.

Author_Institution

Lab. of Electromagn. & Acoust. (LEMA), Ecole Polytech. Federate de Lausanne (EPFL), Lausanne, Switzerland

Volume

19

Issue

7

fYear

2009

fDate

7/1/2009 12:00:00 AM

Firstpage

431

Lastpage

433

Abstract

A novel topology for the composite right/left-handed transmission line (CRLH TL) is presented. This type of CRLH TLs has the advantage of exhibiting an all-pass behavior and a frequency-independent characteristic impedance, in the so-called balanced case. Moreover, it presents a larger group velocity than its conventional counterpart, thereby allowing for wider bandwidth operation. This letter investigates the fundamental properties of this structure, and demonstrates them by full-wave simulation and measurement results on a practical implementation in parallel stripline technology.

Keywords

electric impedance; lattice networks; metamaterials; strip lines; transmission lines; CRLH transmission line; all-pass property; characteristic impedance; composite right-left-handed transmission line; full-wave simulation; group velocity; lattice network unit cell; parallel stripline technology; Composite right/left-handed (CRLH); left-handed (LH); metamaterials; transmission lines (TLs);

fLanguage

English

Journal_Title

Microwave and Wireless Components Letters, IEEE

Publisher

ieee

ISSN

1531-1309

Type

jour

DOI

10.1109/LMWC.2009.2022121

Filename

5109485