Orthomode transducer, VSAT Ku bandOutdoor unit, includes feed horn, OMT, LNB and BUCOrthomode transducer (Portenseigne, France)Orthomode transducer, vertical and horizontal polarityAntenna side of OMT
An orthomode transducer (OMT) is a waveguide component that is commonly referred to as a polarisation duplexer. Orthomode is a contraction of orthogonal mode. Orthomode transducers serve either to combine or to separate two orthogonally polarized microwave signal paths.[1] One of the paths forms the uplink, which is transmitted over the same waveguide as the received signal path, or downlink path. Such a device may be part of a very small aperture terminal (VSAT) antenna feed or a terrestrial microwave radio feed; for example, OMTs are often used with a feed horn to isolate orthogonal polarizations of a signal and to transfer transmit and receive signals to different ports.[2]
^"orthomode transducer". Institute for Telecommunication Sciences. 1996-08-23. Retrieved 2013-06-29.
^Bartlett, Mike (2010). "FAQ". SAS Ltd. Archived from the original on 2013-07-06. Retrieved 2013-06-29.
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