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Scalable RF MEMS Switch Matrices: Methodology and Design

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4 Author(s)
King Yuk Chan ; Sch. of Electr. Eng. & Telecommun., Univ. of New South Wales, Sydney, NSW ; Mojgan Daneshmand ; Raafat R. Mansour ; Rodica Ramer

This paper proposes new solutions for implementing wideband large switch matrices. These solutions are based on crossbar and L-shaped topologies. This paper introduces a high-performance wideband switch cell to build up scalable NtimesN switch matrices and gives an account of the design, fabrication, and characteristics of the switch cell and a 3times3 crossbar switch matrix. The chosen design procedure is seen to be appropriate since it produces valid measured results. In addition, this paper presents an RF microelectromechanical systems L-shaped switch matrix, which indicates less variation of characteristics for certain types of connectivity. It also demonstrates that for a 4times4 switch matrix, there is a 50% improvement in insertion loss and phase-shift variation.

Published in:

IEEE Transactions on Microwave Theory and Techniques  (Volume:57 ,  Issue: 6 )