Quality of ferroelectric capacitors used in tunable microwave filters

• Published in: Journal of communications technology & electronics Vol. 56; no. 8; pp. 1020 - 1025
• Main Authors: Zakharov, A. V., Il’chenko, M. E., Karnaukh, V. Ya, Pinchuk, L. S.
• Format: Journal Article
• Language: English
• Published: Dordrecht SP MAIK Nauka/Interperiodica 01-08-2011; Springer; Springer Nature B.V
• Subjects: Analysis; Bandwidths; Barium strontium titanates; Capacitors; Communications Engineering; Communications technology; Electric filters; Electronic components industry; Electronics; Engineering; Ferroelectric materials; Ferroelectricity; Ferroelectrics; Frequency ranges; Input output; Microwave devices; Microwaves; Networks; Physical Processes in Electron Devices; Studies; Thin films; Toy industry; Microstrip Transmission Line; Microstrip Filter; Voltage Standing Wave Ratio; Passband Width; Tuning Range
• ISSN: 1064-2269; 1555-6557
• DOI: 10.1134/S1064226911050147

The problem of determining the quality of ferroelectric capacitors from measured characteristics of tunable microwave bandpass filters has been solved. The quality of ferroelectric capacitors based on barium-strontium-titanate (BST) thin films, used in four filters tunable over a frequency range of 1.8 to 4.3 GHz, have been determined.