2003•Unpublished venueOpen access

RF MEMS adjustable impedance matching network and adjustable power divider

M. Unlu, Kağan Topallı, H. Sagkol, Sinan Özgün Demir, O.A. Civi, Sencer Koç, Tayfun Akın

Abstract

MEMS applications are gaining wide acceptance in microwave applications. In this paper we present two novel applications of MEMS on well known RF devices: triple stub matching and power divider. Particularly for phased array antennas, controllable components are vital. We have developed a triple stub matching circuit. The stub lengths are electrically adjustable and therefore impedance matching is achieved for any impedance depending on changing conditions such as frequency of operation. This triple stub matching circuit is utilized in the design of an adjustable power divider.

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Key concepts: Stub (electronics), Impedance matching, Power dividers and directional couplers, Current divider, Microelectromechanical systems, Electrical impedance, Electronic engineering, Electrical engineering