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Journal Radioengineering №2 for 2010 г.
Article in number:
Development of Printed Uda-Yagi Antennas with Novel Driver
Keywords: planar antennas microstrip feed Yagi-Uda assembly quasi-Yagi modification
Authors:
A.P. Gorbachev, E.V. Chubar
Abstract:
In this paper, a modified microstrip-fed planar antenna based on the classic Yagi-Uda dipole assembly is presented. This quasi-Yagi antenna has been developed using well known design approach and relatively simple scaling to take into account the supporting dielectric substrate with relative dielectric constant equal to 2.5. The conjugate-gradient method is used for dimensional optimization of the antenna with novel balun. The rules of quasi-Yagi antenna directional pattern-s formation and impedance matching condition are considered. Experimental results verify the theoretical approach. The proposed antenna is completely compatible with microstrip circuitry and should find the application in wireless communication systems.
Pages: 16-20
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