Title :
Array-antenna of microstrip patches fed by a tunable quasi-lumped hybrid coupler
Author :
Ferrero, Fabien ; Luxey, Cyril ; Yedlin, Matthew ; Stara, Robert ; Jacquemod, Gilles
Author_Institution :
LEAT-CNRS, Univ. of Nice-Sophia Antipolis, Valbonne, France
Abstract :
A 360deg phase shifter using a tunable quasi-lumped hybrid coupler was successfully designed. The phase shifter circuit delivers two evenly-split signals phase shifted over a 368deg controllable range. The phase shifter was connected to an antenna array made with two printed patches. The feasibility of pattern reconfiguration was validated by the Sij- and radiation pattern measurements.
Keywords :
antenna phased arrays; antenna radiation patterns; coupled circuits; microstrip antenna arrays; phase shifters; 360deg phase shifter circuit; array antenna; microstrip patches; radiation pattern measurements; tunable quasi-lumped hybrid coupler; Bandwidth; Butler matrix; Capacitors; Coupling circuits; Microstrip antenna arrays; Microstrip antennas; Phase shifters; Phased arrays; Tunable circuits and devices; Varactors;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2009. APSURSI '09. IEEE
Conference_Location :
Charleston, SC
Print_ISBN :
978-1-4244-3647-7
DOI :
10.1109/APS.2009.5171480