Title :
16 element polarization-agile microstrip antenna array with one phase-shift circuit
Author :
Zhong, Shun-Shi ; Yang, Xue-Xia ; Gao, Shi-Chang
Author_Institution :
Dept. of Commun. Eng., Shanghai Univ. of Technol., China
Abstract :
A novel polarization-agile microstrip antenna array is proposed, in which the polarization agility from linear to circular polarization for the whole array is achieved by electrically controlling one phase-shift circuit only. Using the corner-fed square patch element, a new 16-element dual-polarized array with high isolation and low cross-polarization is designed. A special FET phase shifter circuit is created. The experimental results are presented to verify the theory while circular polarization radiation patterns are measured with a boresight axial ratio of 0.5 dB.
Keywords :
antenna feeds; antenna radiation patterns; electromagnetic wave polarisation; field effect transistor circuits; microstrip antenna arrays; microwave phase shifters; FET phase shifter circuit; circular polarization; corner-fed square patch element; dual-polarized array; linear polarization; microstrip antenna array; phase-shift circuit; polarization agility; polarization-agile antenna array; radiation patterns; Circuits; Diodes; FETs; Joining processes; Microstrip antenna arrays; Microstrip antennas; Phase measurement; Phased arrays; Polarization; Switches;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2002. IEEE
Print_ISBN :
0-7803-7330-8
DOI :
10.1109/APS.2002.1016067
