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A Compact Wide Coverage 0.7-1.5 GHz MEMS-based Impedance Tuner

J. Okocha1, M. Rudolph1,2

Published in:

14th German Microwave Conference (GeMiC 2022), Ulm, Germany, May 16-18, ISBN 978-3-9820397-2-5, pp. 25-28 (2022).

Abstract:

We propose a lumped element re-configurable impedance tuner with wide impedance coverage within the 0.7 - 1.5 GHz frequency band. The fabricated device is compact and the design is centered around 0.9 GHz using 4 BST MEMS varactors for continuous tuning covering a VSWR up to 55:1 on the smith chart.

1 Brandenburg University of Technology Cottbus-Senftenberg (BTU), Ulrich L. Rohde Chair of RF and Microwave Techniques, Germany
2 Ferdinand-Braun-Institut gGmbH, Leibniz-Insitut für Höchstfrequenztechnik (FBH), Berlin, Germany

Keywords:

impedance transformer, microwave tuners, varactor tuner, MEMS tuner, impedance tuner, antenna tuner.

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