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Title: A Mixed Ladder-Lattice Bulk Acoustic Wave Duplexer for W-CDMA Handsets
Authors: Shirakawa, Alexandre.A
David, J.B.
Vicent , P
Hassan, Moustapha El 
Kerherve, Eric
Cathelin, Andreia
Affiliations: Department of Electrical Engineering 
Keywords: Mobile radio
Acoustic resonators
Bulk acoustic wave devices
Subjects: Code division multiple access
Issue Date: 2008
Publisher: IEEE
Part of: 14th IEEE International Conference on Electronics, Circuits and Systems
Start page: 554
End page: 557
Conference: IEEE International Conference on Electronics, Circuits and Systems (14th : 11-14 Dec 2007 : Marrakech, Morocco) 
This paper presents the design of a novel antenna duplexer based on a mixed ladder lattice topology using advanced BAW SMR (Solidly mounted bulk acoustic wave Resonators) and IPD (integrated passive devices) technologies. The duplexer is designed for application on W-CDMA handsets (Tx: 1920-1980 MHz, rx: 2110-2170 MHz). The design methodology and implementation issues are discussed. A combined electromagnetic acoustic analysis results in a maximum insertion loss of 1.75 dB and 2.3 for Tx and Rx paths. The Tx-RX rejection is better than 47/57 dB.
Ezproxy URL: Link to full text
Type: Conference Paper
Appears in Collections:Department of Electrical Engineering

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