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A compact design for dual- and wide-band cavity-backed slot antenna is presented in this letter. The slot antenna is fed by two microstrip lines on the top of the substrate for 900- and 1800-MHz bands, respectively. With the use of a U-type slot and a ridged slot backed by one rectangular cavity, a compact design is realized for a dual- and wide-band slot antenna. A prototype is fabricated and tested in an anechoic chamber. The measured 10-dB return loss bandwidth is 28% for 900-MHz band and 31% for 1800-MHz band. The measured gain is 5.0 dBi at 1000 MHz, 5.5 dBi at 1800 MHz.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:5
,
Issue:
1
)
Date of Publication: Dec. 2006
- Page(s):
- 4 - 6
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 8863062
- Digital Object Identifier :
- 10.1109/LAWP.2005.863611
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 March 2006
- Issue Date :
- Dec. 2006
- Sponsored by :
- IEEE Antennas and Propagation Society
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