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Title: SMR-BAW duplexer for W-CDMA application
Authors: Kerherve, Eric
David, Jean-Baptiste
Shirakawa, Alexandre.A
Hassan, Moustapha El 
Baraka, Kamal
Vincent, Pierre
Cathelin, Andreia
Affiliations: Department of Electrical Engineering 
Keywords: W-CDMA duplexer
Solidly mounted resonator
Bulk acoustic wave
Design methodology
Integrated passive device
Lattice filter
Ladder filter
Issue Date: 2009
Part of: Journal of analog integrated circuits and signal processing
Volume: 64
Issue: 1
Start page: 23
End page: 38
This paper presents the design of a novel antenna duplexer based on a mixed ladder lattice topology using advanced Solidly Mounted Resonator–Bulk Acoustic Wave (SMR–BAW) and Integrated Passive Device (IPD) 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 and 2.3 dB for Tx and Rx paths. The Tx–Rx isolation is better than 47/57 dB. The assembly of both Rx and Tx filters on the IPD will be discussed, as well as the simulated and measurement results.
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Electrical Engineering

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