## Abstract A reconfigurable design for circularly‐polarized (CP) slot antennas with dual‐frequency operation is presented in this article.The proposed antenna structure is composed of an annular‐ring slot, fed by an L‐shaped strip, and four parasitic patches, symmetrically placed along the circumf
Circularly polarized annular slot antenna with switchable frequency
✍ Scribed by Wang, Chuen-Ching; Chen, Mu-Yi; Row, Jeen-Sheen
- Book ID
- 120413251
- Publisher
- John Wiley and Sons
- Year
- 2013
- Tongue
- English
- Weight
- 631 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0895-2477
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## Abstract Frequency tunable annular‐ring slot antennas with circularly polarization (CP) operation are studied in this article. The annular‐ring slot antenna operates at one full‐wavelength resonant mode and it is excited by an L‐shaped coupling strip with a reactive loading. It is found that the