Abstract
A circular patch antenna tuned by a ferrite post is presented. The DC-biasing magnetic field is assumed perpendicular to the patch and the ferrite losses are taken into account. Both right- and lefthand circular polarizations are considered. The "perfect magnetic walls" approximation is employed and the resulting closed-form expressions can be used in the design of patch antennas. Also, this approximate but analytical study offers a clear physical insight with regard to the ferrite effects on the patch antenna's resonance characteristics.
Original language | English |
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Pages (from-to) | 234-237 |
Number of pages | 4 |
Journal | Microwave and Optical Technology Letters |
Volume | 46 |
Issue number | 3 |
DOIs | |
Publication status | Published - 5 Aug 2005 |
Keywords
- Ferrite-tuned antenna
- Magnetized ferrites
- Microstrip antennas
- Microstrip resonators