A tunable combline bandpass filter using barium strontium titanate interdigital varactors on an alumina substrate

IEEE MTT-S International Microwave Symposium Digest

Volumn 2005, Issue , 2005, Pages 595-598

  Nath, Jayesh ^a,b   Ghosh, Dipankar ^a,b   Fathelbab, Wael ^a,b   Maria, Jon Paul ^a,b   Kingon, Angus I ^a,b   Franzon, Paul D ^a,b   Steer, Michael B ^a,b  

^a IEEE   (United States)

^b North Carolina State University   (United States)

Author keywords

Barium Strontium Titanate (BST); Ferroelectric; Microstrip filters; Resonators; Thin film devices; Tunable filters; Varactor

Indexed keywords

BARIUM STRONTIUM TITANATE (BST); DEPENDENT PERMITTIVITY; MICROSTRIP FILTERS; TUNABLE FILTERS;

FERROELECTRIC DEVICES; MICROSTRIP DEVICES; OXIDE SUPERCONDUCTORS; PERMITTIVITY; RESONATORS; SEMICONDUCTING ALUMINUM COMPOUNDS; THIN FILM DEVICES; VARACTORS;

BANDPASS FILTERS;

EID: 33749259260     PISSN: 0149645X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/MWSYM.2005.1516670     Document Type: Conference Paper

References (10)

1. A. Tombak, J.-P. Maria, F. T. Ayguavives, G. T. Stauf, A. I. Kingon, A. Mortazawi, " Voltage-controlled RF filters employing thin-film barium-strontium-titanate tunable capacitors," IEEE Trans. Microwave Theory Tech., vol. 51, no. 2, pp. 462-467, Feb. 2003.
2. A. A Tamijani, L Dussopt, G. M. Rebeiz, "Miniature and tunable filters using MEMS capacitors," IEEE Trans. Microwave Theory Tech., vol. 51, no. 7, pp. 1878-1885, Jul. 2003.
3. 3," Appl. Phys. Lett. vol. 68, no. 12, pp. 1651-1653, Mar. 1996.
4. B. Noren, "Thin film barium strontium titanate (BST) for a new class of tunable RF components," Microwave J, vol. 47, no. 5, pp. 210-220, May 2004.
5. M. Rahman and K. Shamsaifar, "Electronically tunable LTCC based multi-layer filter for mobile handset applications," in 2003 IEEE MTT-S Int. Microwave Symp. Dig., vol. 3, pp 1767-1770, June 2003
6. th European Microwave Conference, pp. 1497-1500, Oct. 2004.
7. S. S Gevorgian, T. Martinsson, P. L. J Linner, E. L Kollberg, "CAD models for multilayered substrate interdigital capacitors," IEEE Trans. Microwave Theory Tech., vol. 44, no. 6. pp. 896-904, June 1996.
8. GENESYS, Eagleware Corporation, Norcross, GA. [Online] http://www.eagleware.com
9. J micro Technology, Inc. Portland. OR. [Online] http://www.jmicrotechnology.com.
10. GGB Industries, Inc. Naples, FL. [Online] http://www.ggb.com.