<p>Acoustic resonators such as surface acoustic wave SAW devices and thin film bulk acoustic resonators FBAR can be configured to produce a band reject filter. Such a filter overcomes the insertion loss and power handling limitations of conventional band pass configurations and as such can be used in power amplifier and duplexer applications.</p>
申请公布号
WO03069777(A1)
申请公布日期
2003.08.21
申请号
WO2003GB00406
申请日期
2003.01.30
申请人
NORTEL NETWORKS LIMITED;NORTEL NETWORKS UK LIMITED
发明人
BEAUDIN, STEVE A;SYCHALEUN, SOMSACK;JIAN, CHUN YUN
