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research article

Four-Port Broadband Orthomode Transducer Enabling Arbitrary Interelement Spacing

Menargues, Esteban  
•
Capdevila, Santiago  
•
Debogovic, Tomislav
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December 1, 2018
IEEE Transactions on Microwave Theory and Techniques

This paper reports a novel methodology to design broadband orthomode transducers with two arbitrarily spaced ports carrying orthogonal linear polarizations. The component is based on a combination of two Boifot junctions through a series of power dividers that act as an embedded first level of the beamforming network of a radio frequency system. By controlling the separation between the ports, this original component can be used in different applications such as antenna arrays for satellite connectivity-on-the-move (where the spacing between ports must be as small as possible) or multibeam sparse arrays (where the spacing between ports may change along the array lattice). In order to verify the proposed design methodology, two identical prototypes have been produced using additive manufacturing. A complete set of measurements (standalone and back-to-back) have been carried out producing satisfactory results that are in very good agreement with the simulations.

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Type
research article
DOI
10.1109/TMTT.2018.2878208
Web of Science ID

WOS:000453528100016

Author(s)
Menargues, Esteban  
Capdevila, Santiago  
Debogovic, Tomislav
Dimitriades, Alexandros I.
Simon, Lionel
Garcia-Vigueras, Maria  
Mosig, Juan R.  
Skrivervik, Anja K.  
de Rijk, Emile  
Date Issued

2018-12-01

Published in
IEEE Transactions on Microwave Theory and Techniques
Volume

66

Issue

12

Start page

5521

End page

5530

Subjects

Engineering, Electrical & Electronic

•

Engineering

•

additive manufacturing (am)

•

beamforming network (bfn)

•

ku-band

•

orthomode transducer (omt)

•

waveguide components

•

optimized elements positions

•

array antennas

•

wave-guide

Note

IEEE-MTT-Society International Microwave Symposium (IMS), Philadelphia, PA, Jun 10-15, 2018

Editorial or Peer reviewed

REVIEWED

Written at

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Available on Infoscience
January 4, 2019
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/153337
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