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Dual band hard horn for use in cluster-fed multi-beam antennas in Ka-band

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4 Author(s)
Sotoudeh, O. ; Chalmers Univ. of Technol., Gothenburg, Sweden ; Kildal, P.-S. ; Ingvarson, P. ; Mangenot, C.

A hard hom for dual band operation is designed. Emphasis has been put on low cross-polar performance over both the Rx and Tx bands in the Ka-band multimedia application. The horn has also been designed with manufacturability in mind, with direct transition from the metal section to the corrugated section, and, with a corrugated section which is slightly conical with constant number of corrugations. The horn operates with high efficiency at the lower band (17.7-20.2 GHz) and medium efficiency at the higher band (27.5-30.0 GHz), and it has a maximum cross-polar level within the main beam which is low over both bands. The return-loss is below -35 dB over both bands.

Published in:

Antennas and Propagation Society International Symposium, 2005 IEEE  (Volume:3A )

Date of Conference:

3-8 July 2005