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Journal of the Korean Institute of Electromagnetic and Science 2002;2(2):112-116.
The Design on a Wideband Active Printed Dipole Antenna using a Balanced Amplifier
Sung-Ho Lee1, Se-Woong Kwon1, Byoung-Moo Lee1, Young-Joong Yoon1, Woo-Young Song2
1Dept. of Electrical & Electronics Eng., Yonsei University
2Dept. of Electric Eng., Chongju University
Abstract
In this paper, the active integrated antenna(AIA) using a wideband printed dipole antenna and a balanced amplifier is designed and fabricated. The proposed active printed dipole antenna has characteristics of easy matching, wide bandwidth and higher output power To feed balanced signal to printed dipole, a Wilkinson power divider and delay lines are used. The measured result shows that, at 6 GHz center frequency, the impedance bandwidth is 22 % (VSWR < 2), 3 dB gain bandwidth is 28 %, the maximum gain is 14.77 dBi, and output power at P1 dB point is 23 dBm.
Key words: Wideband, Printed Dipole Antenna, AIA

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