Design and implementation of compact diplexers using dual-mode cavities

Hussein Ezzeddine (1) , Kamel Frigui (1) , Stéphane Bila (2) , Serge Verdeyme (1) , Fabien Seyfert (3) , Jérôme Puech (4) , Laetitia Estagerie (4) , Damien Pacaud (5)

1 XLIM-MINACOM - MINACOM
2 XLIM - XLIM
3 APICS - Analysis and Problems of Inverse type in Control and Signal processing
4 CNES - Centre National d'Études Spatiales [Toulouse]
5 TAS - Thales Alenia Space [Toulouse]

In this paper, the design of compact diplexers with dual-mode cavities for satellite payloads is detailed. Compact diplexers are composed of coupled resonators without additional waveguide element, leading to a more compact architecture. Two topologies are first implemented and compared with a standard manifold output diplexer, in terms of electrical performances, compactness, and power handling. Hardware prototypes are fabricated and measured for experimental verification. A third topology is finally introduced for the design of noncontiguous diplexers.

Domaines: Sciences de l'ingénieur [physics]; Electronique

Hussein Ezzeddine, Kamel Frigui, Stéphane Bila, Serge Verdeyme, Fabien Seyfert, et al.. Design and implementation of compact diplexers using dual-mode cavities. International Journal of RF and Microwave Computer-Aided Engineering, 2014, 24 (2), pp.249-258. ⟨10.1002/mmce.20760⟩. ⟨hal-00924828⟩