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Design and implementation of a broadband center-fed single-layer reflectarray antenna is studied in this letter. Each element in the proposed reflectarray consists of a circular patch attached to a variable-length single phase-delay line to achieve more than 1000° linear phase range within 10.8~12.8-GHz frequency band. The main characteristic of the proposed element is its large linear phase range, which increases the bandwidth and performance in reflectarrays. Using a special arrangement of elements enables the reflectarray to achieve a low cross polarization. Measurement results show a maximum gain of 26.2 dB at 11.8 GHz, and 17% 3-dB gain bandwidth in the range 10.8~12.8 GHz.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:11
)
Date of Publication: 2012
- Page(s):
- 1442 - 1445
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 13182194
- Digital Object Identifier :
- 10.1109/LAWP.2012.2228147
- Product Type:
- Journals & Magazines
- Date of Publication :
- 19 November 2012
- Date of Current Version :
- 20 December 2012
- Issue Date :
- 2012
- Sponsored by :
- IEEE Antennas and Propagation Society
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