Abstract
A novel design of a circularly polarized annular-ring slot antenna is discussed. The circular polarization is attained through a newly proposed double-bent microstripline that feeds the antenna at two different positions. Several structural parameters were experimentally studied with care to establish a design procedure, which was subsequently drawn into a design flow chart. Validation was carried out using the antennas designed at 3.5 and 1.59 GHz. The measured 3-dB axial-ratio bandwidth (ARBW) for the former is 10.5% and for the latter, 10.0%, which is larger than the 8.5% 3-dB ARBW required by an Inmarsat application.
| Original language | English |
|---|---|
| Pages (from-to) | 3134-3139 |
| Number of pages | 6 |
| Journal | IEEE Transactions on Antennas and Propagation |
| Volume | 55 |
| Issue number | 11 II |
| DOIs | |
| Publication status | Published - 2007 Nov 1 |
All Science Journal Classification (ASJC) codes
- Electrical and Electronic Engineering
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Sze, J. Y., Hsu, C. I. G., Ho, M. H., Ou, Y. H., & Wu, M. T. (2007). Design of circularly polarized annular-ring slot antennas fed by a double-bent microstripline. IEEE Transactions on Antennas and Propagation, 55(11 II), 3134-3139. https://doi.org/10.1109/TAP.2007.908801