Title :
A New Design Approach for Circular Polarize Antenna with DGS Under The Unbalanced Feed-Lines
Author :
Thakur, Jay Prakash ; Park, Jun-Seok
Author_Institution :
Sch. of Electr. Eng., Kookmin Univ., Seoul
Abstract :
A novel design approach is offered to attain circular polarization of the microstrip antenna feeds by unbalanced vertical feed-lines. Usually, diagonally balanced-line feeds with hybrid coupler are used to attain circular polarization. Here, Defected-ground structures (DGS) have been implemented under the unbalanced feed-lines to achieve circular polarization. Adopting DGS makes easy to tune antenna for circular polarization by varying the impedance of the feed-lines
Keywords :
microstrip antennas; polarisation; waveguide couplers; DGS; circular polarization; circular polarize antenna; defected-ground structures; hybrid coupler; microstrip antenna feeds; unbalanced vertical feed-lines; Antenna feeds; Frequency; Impedance; Microstrip antennas; Microwave antennas; Mobile antennas; Mobile communication; Optical polarization; Patch antennas; Satellites; DGS; Microstrip antenna; branch line coupler; circular polarization; dual feed;
Conference_Titel :
Microwave Conference, 2006. 36th European
Conference_Location :
Manchester
Print_ISBN :
2-9600551-6-0
DOI :
10.1109/EUMC.2006.281339
