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Design of A Narrow-Band Orthomode Transducer Operating at Ku-Band  

Li Jun-Wen (Dept. of Radio Eng., Graduate School, Chungbuk National University)
Kim Jin-Young (Dept. of Radio Eng., Graduate School, Chungbuk National University)
Ko Han-Woong (Dept. of Radio Eng., Graduate School, Chungbuk National University)
Park Dong-Hee (School of Electrical, Electronics and Information Eng, Chungiu University)
Ahn Bierng-Chearl (Dept. of Radio Eng., Graduate School, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.15, no.12, 2004 , pp. 1123-1130 More about this Journal
Abstract
In this paper, a technique is presented f3r the design of a structurally simple narrow-band orthomode transducer (OMT) operating at 12/14 GHz frequency bands. The proposed OMT has such a structure that a horizontally polarized wave incident on the circular waveguide of the common port is directed to the rectangular waveguide of the straight port, while the vertically polarized wave is directed to the rectangular waveguide of the side port. Firstly methods are developed f3r designing individual parts of the OMT based on the waveguide theory and the theory of impedance matching. Secondly based on developed methods the whole OMT structure is designed using a commercial electromagnetic field analysis software. The validity of the proposed design technique is confirmed by fabricating and testing the designed OMT.
Keywords
Orthomode Transducer; Antenna Feed; Computer-Aided Design;
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  • Reference
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