DocumentCode
2405849
Title
Dielectric phase shifter based on the piezo-tunable impedance-step filter
Author
Poplavko, Yuriy ; Pashkov, Valeriy ; Molchanov, Vitaliy ; Shmigin, Denis ; Yeremenko, Andrey
Author_Institution
Nat. Tech. Univ. of Ukraine "Kiev Polytech. Inst. ", Kiev
fYear
2007
fDate
9-12 Oct. 2007
Firstpage
290
Lastpage
293
Abstract
New devices based on the impedance-step filter are developed and studied. One of them is low loss band-puss tunable filter controlled by means of substrate effective dielectric constant change. Second setup is also tunable filter but utilized as a phase shifter. It represents the combination in one device: (1) impedance-step filter controlled from the direction of end- walls, and (2) low voltage multi-layer actuator. Controlled phase shift of ~100deg is obtained under the voltage of ~30 V in the frequency range of 0.7 - 0.9 GHz.
Keywords
UHF phase shifters; band-pass filters; piezoelectric actuators; band-pass tunable filter; dielectric phase shifter; frequency 0.7 GHz to 0.9 GHz; low voltage multilayer actuator; piezo-tunable impedance-step filter; Actuators; Dielectric constant; Dielectric losses; Dielectric substrates; Filters; Frequency; Impedance; Low voltage; Phase shifters; Voltage control;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Conference, 2007. European
Conference_Location
Munich
Print_ISBN
978-2-87487-001-9
Type
conf
DOI
10.1109/EUMC.2007.4405183
Filename
4405183
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