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Diplexing feed assemblies for application to dual-reflector antennas

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3 Author(s)
James, Graeme L. ; Telecommun. & Ind. Phys., CSIRO, Epping, NSW, Australia ; Clark, P.R. ; Greene, K.J.

We investigate possible configurations for dual-band waveguide diplexing assemblies appropriate for use as feed systems for dual-reflector antennas. Specific applications are where the bands are well separated and, individually, have relatively wide bandwidths. Two crucial problems are addressed: the demanding bandwidth requirements of the feed horn and the subsequent means of diplexing the signals. We present results arising from the analysis of candidate systems and discuss a preferred option in detail.

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Antennas and Propagation, IEEE Transactions on  (Volume:51 ,  Issue: 5 )