Title :
Dielectric Resonator Antenna Using 0.95MgTiO3 - 0.05CaTiO3 High Permittivity Ceramics
Author :
Chen, Y.C. ; Tsao, S.M. ; Lin, C.S.
Author_Institution :
Dept. of Electr. Eng., Lunghwa Univ. of Sci. & Technol., Taoyuan
Abstract :
0.95MgTiO3-0.05CaTiO3 high-permittivity ceramic have been applied in the fabrication of dielectric resonator antenna. The permittivity and quality factor of 0.95MgTiO3-0.05CaTiO3 have been characterized. The dielectric resonator antenna is fed with a mico-strip line. Fabricated dielectric resonator antenna was measured by an Agilent N5230A network analyzer. The measurement result of the antenna composed of 0.95MgTiO3-0.05CaTiO3 dielectric resonator ( epsivr = 20.6, Qtimesf = 126 000) at 9.58 GHz has been presented. With this technique, a 5.92% bandwidth (return loss < 10 dB) of center frequency has been achieved.
Keywords :
Q-factor; antenna feeds; calcium compounds; ceramics; dielectric resonator antennas; magnesium compounds; microstrip lines; microwave antennas; network analysers; Agilent N5230A network analyzer; MgTiO3-CaTiO3; dielectric resonator antenna; frequency 9.85 GHz; high permittivity ceramics; quality factor; Antenna measurements; Ceramics; Dielectric loss measurement; Dielectric losses; Dielectric materials; Dielectric measurements; Dielectric resonator antennas; Microstrip antennas; Permittivity; Q factor;
Conference_Titel :
Antenna Technology: Small Antennas and Novel Metamaterials, 2008. iWAT 2008. International Workshop on
Conference_Location :
Chiba
Print_ISBN :
978-1-4244-1522-9
DOI :
10.1109/IWAT.2008.4511342
