Title :
Tunable microstrip antenna with circular polarization across 1.4∶1 frequency span
Author :
Ho, Kevin Ming-Jiang ; Rebeiz, Gabriel M.
Author_Institution :
Univ. of California, San Diego, La Jolla, CA, USA
Abstract :
A tunable microstrip antenna with circular polarization across a frequency span of 1.4:1 is presented. A dual mode microstrip antenna element with independent frequency control for each polarization is designed. Circular polarization is then achieved with both modes tuned to resonate slightly offset from the intended operating frequency. Measured return loss and patterns are presented.
Keywords :
UHF antennas; antenna feeds; antenna radiation patterns; microstrip antennas; multifrequency antennas; circular polarization; dual mode differentially-fed microstrip antenna; frequency 1.04 GHz to 1.44 GHz; frequency 1.25 GHz; frequency 2.11 GHz; frequency span; independent frequency control; intended operating frequency; offset operating frequency; pattern measurement; return loss measurement; tunable microstrip antenna; Frequency measurement; Loss measurement; Microstrip; Microstrip antennas; Polarization; Resonant frequency; Tuning;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-4673-5315-1
DOI :
10.1109/APS.2013.6710858
