Summary
International Symposium on Antennas and Propagation
2006
Session Number:1POS
Session:
Number:1POS-4
Broadband Circularly Polarized Curl Antenna Using a Planar Metal Feed
Shih-Keng Huang, Che-Wei Su, Ching-Her Lee,
pp.1-3
Publication Date:2006/11/2
Online ISSN:2188-5079
Summary:
A broadband circularly polarized curl antenna with a simple single feed is presented. The antenna consists of a metal spiral strip of about 1.4 wavelengths in length wound into about one turn and mounted above a ground plane with a thick air layer. By using a 50-Ω probe feed along with a long feeding planar metal for exciting the curl antenna, good circular polarization (CP) radiation over a wide bandwidth (larger than 6.6%) is achieved, which makes the proposed antenna well suited for application in the 5.8 GHz WLAN band. Details of the proposed antenna design and the experimental results obtained for a constructed prototype are presented.