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A Compact Dual-Band Feed for Reflector Antennas Based on Choke Horn and Circular Eleven Antenna

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3 Author(s)
Adeel Yasin ; Dept. of Signals & Syst., Chalmers Univ. of Technol., Gothenburg, Sweden ; Jian Yang ; Tomas Ostling

A novel dual-band feed for reflector antennas is presented. This feed is a combination of a novel circular Eleven feed for C band and a compact choke horn for Ku band. The combined feed has been characterized in terms of total feed efficiency of reflector antenna and coupling coefficient of C and Ku bands (< -18 dB) over all operating frequencies. An experimental model has been manufactured and measured. The measured results agree well with the simulated ones. The dual-band feed is compact in size and can be a good candidate for satellite terminals and other applications.

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:57 ,  Issue: 10 )