DocumentCode
2711836
Title
Piezoelectric Tuned LTCC Bandpass Filters
Author
Al-Ahmad, Mahmoud ; Matz, Richard ; Russer, Peter
Author_Institution
Corporate Technol., Siemens AG, Munich
fYear
2006
fDate
11-16 June 2006
Firstpage
764
Lastpage
767
Abstract
A piezoelectrically tuned second order LTCC bandpass filter with 46% measured tuning range is presented. The filter incorporates a novel parallel-plate capacitor which is tuned by a piezoelectrically moved electrode. The center frequency of the filter shifts from 1.28 GHz to 1.8 GHz with a preserved insertion loss and quality factor
Keywords
UHF filters; band-pass filters; crystal filters; 1.28 to 1.8 GHz; LTCC bandpass filters; UHF; low temperature co-fired ceramic; parallel-plate capacitor; piezoelectric materials; piezoelectric tuning; tunable filter; varactors; Band pass filters; Capacitors; Ceramics; Electrodes; Frequency; Insertion loss; Microstrip filters; Q factor; Resonator filters; Tuning; Bonding; ceramics; piezoelectric materials; tunable filter; varactors;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 2006. IEEE MTT-S International
Conference_Location
San Francisco, CA
ISSN
0149-645X
Print_ISBN
0-7803-9541-7
Electronic_ISBN
0149-645X
Type
conf
DOI
10.1109/MWSYM.2006.249765
Filename
4015018
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