Referenced Items are not available for this document.
In this letter, the design procedure and electrical performance of a dual band (2.4/5.8GHz) printed dipole antenna using spiral structure are proposed and investigated. For the first time, a dual band printed dipole antenna with spiral configuration is proposed. In addition, a matching method by adjusting the transmission line width, and a new bandwidth broadening method varying the distance between the top and bottom spirals are reported. The operating frequencies of the proposed antenna are 2.4GHz and 5.8GHz which cover WLAN system. The proposed antenna achieves a good matching using tapered transmission lines for the top and bottom spirals. The desired resonant frequencies are obtained by adjusting the number of turns of the spirals. The bandwidth is optimized by varying the distance between the top and bottom spirals. A relative position of the bottom spiral plays an important role in achieving a bandwidth in terms of 10-dB return loss.
Published in:
Microwave and Wireless Components Letters, IEEE
(Volume:15
,
Issue:
12
)
Date of Publication: Dec. 2005
- Page(s):
- 910 - 912
- ISSN :
- 1531-1309
- INSPEC Accession Number:
- 8677234
- Digital Object Identifier :
- 10.1109/LMWC.2005.859947
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 05 December 2005
- Issue Date :
- Dec. 2005
- Sponsored by :
- IEEE Microwave Theory and Techniques Society
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