Design of compact planar crossover using Sierpinski carpet microstrip patch

Henin, Bassem and Abbosh, Amin (2013) Design of compact planar crossover using Sierpinski carpet microstrip patch. IET Microwaves Antennas and Propagation, 7 1: 54-60. doi:10.1049/iet-map.2012.0262

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Author Henin, Bassem
Abbosh, Amin
Title Design of compact planar crossover using Sierpinski carpet microstrip patch
Journal name IET Microwaves Antennas and Propagation   Check publisher's open access policy
ISSN 1751-8725
1751-8733
Publication date 2013-01
Year available 2013
Sub-type Article (original research)
DOI 10.1049/iet-map.2012.0262
Volume 7
Issue 1
Start page 54
End page 60
Total pages 7
Place of publication Stevenage, Herts, United Kingdom
Publisher The Institution of Engineering and Technology
Collection year 2014
Language eng
Formatted abstract
The design of a planar four-port microstrip crossover is presented. The design starts by using a half-wavelength square patch and two sets of orthogonal feeding lines. Based on the cavity theory, operation of the patch crossover is analysed. Full-wave simulations and measurements are used to support the analysis. By etching the patch as a Sierpinski carpet, resonant frequency can be lowered significantly, and this property can be employed to reduce the size of the conventional patch crossover. It is shown that the size of the crossover can be reduced by 23% with even a better performance when a second-order Sierpinski carpet microstrip patch is used. Full-wave simulations and measurements are used to validate the proposed design method. The measured data show less than 1 dB insertion loss, more than 10 dB return loss, more than 17 dB isolation and about 0.1 ns group delay deviation across 10% fractional bandwidth centred at 2.4 GHz.
Keyword Wide Band Crossover
Miniaturization
Transitions
Junctions
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2014 Collection
School of Information Technology and Electrical Engineering Publications
 
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Citation counts: TR Web of Science Citation Count  Cited 10 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 12 times in Scopus Article | Citations
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