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Dual/Single Band Conical-Beam Nested Horn Antennas With Dual/Single Pointing Angles

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3 Author(s)
Shi-Shan Qi ; JGMT, Nanjing Univ. of Sci. & Technol., Nanjing, China ; Wen Wu ; Da-Gang Fang

Three conical-beam nested horn antennas are presented. They are X/Ka-band/dual pointing angle antenna, X/Ka-band/single pointing angle antenna and X-band/dual pointing angle antenna. A radial-line waveguide 4-way power divider with four SMA connectors has been employed to feed the outer nested horn maintaining the circularly symmetric excitation. The inner nested horn is fed by a simple SMA connector. The design procedure and all the dimensions of these antennas are given along with the simulated and the measured results. Good agreement between them has been observed.

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:60 ,  Issue: 10 )