Title :
Beam scannable microstrip patch antenna
Author :
Sultan, Farooq ; Iqbal, Sheikh Sharif
Author_Institution :
Dept. of Electr. Eng., King Fahd Univ. of Pet. & Miner., Dhahran, Saudi Arabia
Abstract :
A novel beam scanning technique of a ferrite loaded microstrip patch antenna is presented. Beam scanning is produced from controlled interaction of the radiated fields and the gyromagentic properties of the axially magnetized ferrite rods. By varying the magnetizing fields of the ferrite rods, optimally placed in the near field region of the antenna, necessary phase taper of the radiated E-field distribution is achieved. The designed 10 GHz antenna demonstrated an impedance bandwidth of 700 MHz and ±30° of beam scan for a changing magnetizing field of 170 kA/m. Employing embedded biasing coils through LTCC technology, the required biasing fields needed to achieve beam scan can be considerably reduced.
Keywords :
ferrites; microstrip antennas; LTCC technology; axially magnetized ferrite rods; bandwidth 700 MHz; beam scannable microstrip patch antenna; beam scanning technique; embedded biasing coils; ferrite loaded microstrip patch antenna; frequency 10 GHz; gyromagnetic properties; magnetizing fields; phase taper; radiated E-field distribution; radiated fields; Arrays; Ferrites; Gain; Microstrip; Microstrip antennas; Patch antennas; Magnetized ferrites; Microstrip patch antenna; beam scan;
Conference_Titel :
Antenna Technology: "Small Antennas, Novel EM Structures and Materials, and Applications" (iWAT), 2014 International Workshop on
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4799-2331-1
DOI :
10.1109/IWAT.2014.6958600
