Title :
A back-to-back planar folded dipole on EBG substrate
Author :
Ding, Chaoyuan ; Ruan, Chengli ; Peng, Lin ; Chu, Jiahui
Author_Institution :
Inst. of Appl. Phys., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
A planar antenna composing two back-to-back folded dipoles printed on a dielectric substrate is presented and the performances are investigated when it is mounted on a mushroom-like EBG substrate. A wide impedance bandwidth is achieved of 4.95-6.95 GHz for the constructed prototype, about 33.6% of the central frequency. Within the operation band, stable gain and radiation patterns are obtained, and the back radiation is less than -27 dB. Whether in E plane or in H plane, the cross polarization is small enough to be negligible.
Keywords :
antenna radiation patterns; dipole antennas; electric impedance; electromagnetic wave polarisation; planar antennas; substrates; EBG substrate; back radiation; back-to-back planar folded dipole antenna; bandwidth 4.95 GHz to 6.95 GHz; cross polarization; dielectric substrate; impedance bandwidth; radiation pattern; Antenna radiation patterns; Arm; Bandwidth; Chaos; Dielectric substrates; Dipole antennas; Feeds; Frequency; Impedance; Polarization; EBG substrate; back-to-back technique; planar folded dipole;
Conference_Titel :
Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2009 3rd IEEE International Symposium on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-4076-4
DOI :
10.1109/MAPE.2009.5355601
