Journal
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
Volume 51, Issue 4, Pages 1207-1213Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMTT.2003.809629
Keywords
measurement techniques; microwave components; ortho-mode transducers (OMTs); waveguide devices
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Ortho-mode transducers (OMTs) are key components in both dual-polarized antenna feed systems for telecommunication and radio-astronomy applications. The evaluation of the overall system performance requires the measurement of the return loss, isolation, and cross-coupling levels of the OMTs. In this paper, a novel technique for the microwave measurements of the full 4 x 4 scattering matrix of such devices is reported, which is based on different measurements at the single-polarized ports.
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