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Co _{2} Z Hexaferrite T-DMB Antenna for Mobile Phone Applications

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10 Author(s)
Seok Bae ; Dept. of Electr. & Comput. Eng., Univ. of Alabama, Tuscaloosa, AL, USA ; Yang-Ki Hong ; Jae-Jin Lee ; Jeevan Jalli
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We fabricated 0.029 lambda miniaturized Co2Z hexaferrite terrestrial digital multimedia broadcasting (T-DMB) antenna. T-DMB antenna was fabricated by winding 12-turn Cu tape around the Co2Z rectangular block. Antenna was mounted on the ground substrate with connection of coaxial feeding line. Fabricated Co2Z antenna showed 196.2 MHz of center frequency, -6.55 dB of 3-D average gain and 22.13% of radiation efficiency at 195 MHz. Average gain of Co2Z antenna is found to be greater than -17.4 dB in the range of 174-216 MHz .

Published in:

IEEE Transactions on Magnetics  (Volume:45 ,  Issue: 10 )