发明名称 Surface acoustic wave duplexer and communication apparatus having the same
摘要 A surface acoustic wave duplexer includes a first filter including a ladder filter and a second filter including a ladder filter with a pass band that is different from that of the first filter. Inductors are connected in parallel with respective series resonators of both first and second filters.
申请公布号 US2003214368(A1) 申请公布日期 2003.11.20
申请号 US20030423860 申请日期 2003.04.28
申请人 MURATA MANUFACTURING CO., LTD 发明人 TANIGUCHI NORIO
分类号 H03H9/145;H03H9/64;H03H9/72;H04B1/50;(IPC1-7):H03H9/64 主分类号 H03H9/145
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