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Abstract
A coplanar liquid crystal phase-shifter is presented and characterized in the frequency range of 5–40 GHz. The interest of this structure lies in the technological realization which is very simple. The phase-shift variation is of 0.2°/cm/GHz for an attenuation of 2.5 dB/cm at 40 GHz. These performances are in agreement with those predicted in a preliminary theoretical study.
Acknowledgment
The authors would like to express their thanks to the Plateforme Technologique “Simulation et Prototypage de Cartes Electroniques” especially N. Verbrugghe and K. Binet for the neat realization of circuits.
