Article | GigaHertz 2003. Proceedings from the Seventh Symposium | Tunable Ferroelectric Filter-Phase Shifter

Title:
Tunable Ferroelectric Filter-Phase Shifter
Author:
A. Deleniv: Department of Microtechnology and Nanoscience MC-2, Chalmers University of Technology, Sweden S. Abadei: Department of Microtechnology and Nanoscience MC-2, Chalmers University of Technology, Sweden S. Gevorgian: Department of Microtechnology and Nanoscience MC-2, Chalmers University of Technology, Sweden \ Microwave and High Speed Research Center, Ericsson AB
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Full text (pdf)
Year:
2003
Conference:
GigaHertz 2003. Proceedings from the Seventh Symposium
Issue:
008
Article no.:
072
No. of pages:
4
Publication type:
Poster
Published:
2003-11-06
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


Design of a tuneable filter-phase shifter is presented. Thin ferroelectric film varactors are used to provide voltage tuneable phase shift in a silicon Coplanar Waveguide (CPW). Varactors with zero bias capacitance 0.17pf; loss tangent tand=0.04 and 20% tuneability provide continuous voltage tuneable phase shift up to 90°±5° at 19 GHz with 10% bandwidth. The figure of merit is about 30°/dB. The sizes of the phase shifter silicon chip are less than 2x5.5mm. The phase shifter is designed for possible integration in silicon MMIC`s.

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
A. Deleniv, S. Abadei, S. Gevorgian
Title:
Tunable Ferroelectric Filter-Phase Shifter
References:

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[7] Baki Acikel; Troy R. Taylor; Peter J. Hansen; James S. Speck; and Robert A. York; “ A New High Performance Phase Shifter using BaxSr1-xTiO3 Thin Films”; IEEE Microwave and Wireless components Letters; vol.12; pp.237-239;2002.


[8] Amit S. Nagra; Jian Xu; Erich Erker and Robert A. York; “ Monolithic GaAs Phase Shifter Circuit with Low insertion loss and continuous 0-360° Phase Shift at 20 GHz”; IEEE Microwave and Guided Wave Lett.; vol.9; pp.31-33; 1999.


[9] S. Abadei; S. Gevorgian; C.-R.Cho; and A. Grishin; “Low frequency and Microwave Performances of Laser Ablated Epitaxial Na0.5K0.5NbO3 Films on High Resistivity SiO2 /Si Substrates”; Journal of Applied Physics; vol.91;pp.2267-2277; 2002.


[10] A. Deleniv; M. Gashinova and A. Eriksson; “On the Application of Duality Principle for Analysis of Slot- Like Structures”; Proceedings of EuMC 2002 (Milan; Italy); pp.9-12.

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
A. Deleniv, S. Abadei, S. Gevorgian
Title:
Tunable Ferroelectric Filter-Phase Shifter
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