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Wide-band orthomode transducers

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2 Author(s)
Skinner, S.J. ; CSIRO, Epping, NSW, Australia ; James, Graeme L.

A summary of the results of a mainly experimental investigation into the development of wideband orthomode transducers (OMTs) is presented. It is shown that satisfactory performance for many applications is possible over bandwidths in excess of 2:1. The wideband return loss and cross-polarization behavior are given where the OMT used is measured in conjunction with a wideband corrugated horn. Two types of OMT are considered: one based on a finline technique and the other on a quad-ridged waveguide geometry. Overall, the latter design gives superior performance

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:39 ,  Issue: 2 )