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Wideband feeders for millimeter-wave horn antennas

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2 Author(s)
Kamil Pítra ; Dept. of Radio Electronics, Brno University of Technology, Purky¿ova 118, 612 00, Czech Republic ; Zbyn¿k Raida

In the paper, the design of millimeter-wave horn antennas is described. Attention is turned to the proper construction of a wideband feeder of the horn. For the final antenna structure, a bow-tie dipole and a Vivaldi antenna were chosen. The antenna construction is aimed to provide a wide bandwidth on one hand and a high gain on the other hand. An experimental comparison of horn antennas fed by a bow-tie dipole and a Vivaldi slot is the original contribution of the paper. Antennas are compared considering computer simulations in CST Microwave Studio and measured data.

Published in:

Microwave Techniques (COMITE), 2010 15th International Conference on

Date of Conference:

19-21 April 2010