Bulk acoustic wave coupled resonator filters synthesis methodology

This paper presents a synthesis methodology applied to bulk acoustic wave coupled resonator filters (BAW CRF). BAW-CRFs are able to realize wider bandwidth and higher rejection filter responses, but they present smoother roll-off coefficients compared to classical ladder topology. The proposed metho...

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Bibliographic Details
Published in2005 European Microwave Conference Vol. 1; p. 4 pp.
Main Authors Shirakawa, A.A., Pham, J.-M., Jarry, P., Kerherve, E.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2005
Subjects
Acoustic waves
Chebyshev approximation
Couplings
Equations
Frequency
Impedance
Network synthesis
Prototypes
Resonator filters
Transmission lines
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Summary:This paper presents a synthesis methodology applied to bulk acoustic wave coupled resonator filters (BAW CRF). BAW-CRFs are able to realize wider bandwidth and higher rejection filter responses, but they present smoother roll-off coefficients compared to classical ladder topology. The proposed methodology enables to determine the filter structure dimensions able to synthesize Chebyshev responses. Finally, we address the design of an RF filter applied to the W-CDMA system employing the proposed methodology.
ISBN:9782960055122
2960055128
DOI:10.1109/EUMC.2005.1608915