A broadband 1:4 series power divider using metamaterial phase-shifting lines

Antoniades, Marco A. and Eleftheriades, George V. (2005). A broadband 1:4 series power divider using metamaterial phase-shifting lines. In: 35th European Microwave Conference proceedings. 35th European Microwave Conference (EuMC), Paris, France, (717-720). 4-6 October 2005. doi:10.1109/EUMC.2005.1610026

Author Antoniades, Marco A.
Eleftheriades, George V.
Title of paper A broadband 1:4 series power divider using metamaterial phase-shifting lines
Conference name 35th European Microwave Conference (EuMC)
Conference location Paris, France
Conference dates 4-6 October 2005
Proceedings title 35th European Microwave Conference proceedings
Journal name 35th European Microwave Conference, Vols 1-3, Conference Proceedings
Place of Publication Piscataway, NJ, United States
Publisher IEEE
Publication Year 2005
Sub-type Fully published paper
DOI 10.1109/EUMC.2005.1610026
ISBN 2960055128
Volume III
Start page 717
End page 720
Total pages 4
Language eng
Formatted Abstract/Summary
A metamaterial 1:4 series power divider that provides equal power split to all four output ports over a large bandwidth is presented. The divider comprises four nonradiating metamaterial lines in series that can each incur a zero insertion phase over a large bandwidth, while simultaneously maintaining a compact length of λ0/8. Compared to a series power divider employing conventional one-wavelength long meandered transmission lines to provide in-phase signals at the output ports, the metamaterial divider provides approximately a two-fold increase in the input return loss bandwidth and through power bandwidth to each of the output ports. In addition, the metamaterial divider is more compact, occupying only 2.6% of the area that the transmission line divider occupies. This series divider can be extended to an arbitrary number of output ports and has potential applications in antenna feed networks and power-combining distributed amplifiers.
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

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