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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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