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Advances in Radio Science An open-access journal of the U.R.S.I. Landesausschuss in der Bundesrepublik Deutschland e.V.
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Volume 11
Adv. Radio Sci., 11, 143-152, 2013
https://doi.org/10.5194/ars-11-143-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
Adv. Radio Sci., 11, 143-152, 2013
https://doi.org/10.5194/ars-11-143-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

  04 Jul 2013

04 Jul 2013

Design of RF MEMS based switch matrix for space applications

S. Di Nardo1, P. Farinelli2, T. Kim3, R. Marcelli4, B. Margesin5, E. Paola1, D. Pochesci6, L. Vietzorreck3, and F. Vitulli6 S. Di Nardo et al.
  • 1ThalesAlenia Space, L'Aquila, Italy
  • 2University of Perugia, Perugia, Italy
  • 3Technische Universität München, Munich, Germany
  • 4CNR – Institute for Microelectronics and Microsystems, Roma, Italy
  • 5FONDAZIONE BRUNO KESSLER, Trento, Italy
  • 6ThalesAlenia Space, Roma, Italy

Abstract. RF MEMS based switch matrices have several advantages compared to the mechanical or solid-state switch based ones for space applications. They are compact, light and less lossy with a high linearity up to high frequency. In this work, a 12 × 12 switch matrix with RF MEMS and LTCC technologies is presented based on the planar Beneš network. The simulated performance of the 12 × 12 switch matrix is below −12 dB IL (Insertion Loss) up to C band and −15 dB RL (Return Loss) up to Ku band. Moreover, it has a good isolation better than −50 dB. A 4 × 4 switch matrix with the same design process and technologies is fabricated and measured to verify the 12 × 12 switch matrix design process. The measured performance agrees very well to the simulations.

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