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Compact Tunable Ka-Band Phase Shifter based on Liquid Crystals

Moessinger, Alexander and Fritzsch, Carsten and Bildik, Saygin and Jakoby, Rolf (2010):
Compact Tunable Ka-Band Phase Shifter based on Liquid Crystals.
In: Proceedings of International Microwave Symposium, [Conference or Workshop Item]

Abstract

This paper presents the design and realization of a compact phase shifter based on a tunable dual-mode ring resonator filter at 35 GHz. The tunability is achieved by employing a thin liquid crystal layer as a tunable dielectric substrate. By applying a bias voltage in the range of 0...40V, a tunable phase range of 117° is measured. The figure of merit of the realized phase shifter is 30.6 °/dB at 34.3 GHz.

Item Type: Conference or Workshop Item
Erschienen: 2010
Creators: Moessinger, Alexander and Fritzsch, Carsten and Bildik, Saygin and Jakoby, Rolf
Title: Compact Tunable Ka-Band Phase Shifter based on Liquid Crystals
Language: English
Abstract:

This paper presents the design and realization of a compact phase shifter based on a tunable dual-mode ring resonator filter at 35 GHz. The tunability is achieved by employing a thin liquid crystal layer as a tunable dielectric substrate. By applying a bias voltage in the range of 0...40V, a tunable phase range of 117° is measured. The figure of merit of the realized phase shifter is 30.6 °/dB at 34.3 GHz.

Divisions: 18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics > Microwave Engineering
18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Microwave Engineering and Photonics
Event Title: Proceedings of International Microwave Symposium
Date Deposited: 27 Jan 2012 15:20
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