Characterization of Left-Handed Traveling-Wave Transistors

Shun NAKAGAWA  Koichi NARAHARA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E92-C   No.11   pp.1396-1400
Publication Date: 2009/11/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E92.C.1396
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
composite right- and left-handed transmission lines,  metamaterials,  traveling-wave transistors,  

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Summary: 
The characteristics of a left-handed traveling-wave transistor, which is formulated as two composite right- and left-handed (CRLH) transmission lines with both passive and active couplings, are discussed for generating unattenuated waves having left-handedness. The design criteria for convective instability are described, together with results of numerical calculations that solve the transmission equation for the device.