发明名称 |
Duplexer and composite module |
摘要 |
A duplexer includes a transmission band filter and a reception band filter connected in parallel to each other and connected to an antenna terminal. The transmission band filter and the reception band filter are accommodated in a package covered with an electroconductive lid. The package is mounted on a mounting substrate having the antenna terminal and covered with an electroconductive shield mounted on the mounting substrate. At least one of the transmission band filter and the reception band filter has a ground terminal connected to the lid. The lid is electrically connected to the shield.
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申请公布号 |
US2004090287(A1) |
申请公布日期 |
2004.05.13 |
申请号 |
US20030681845 |
申请日期 |
2003.10.08 |
申请人 |
MURATA MANUFACTURING CO., LTD |
发明人 |
FUJINO HIROYUKI;GOTOH YOSHIHIKO |
分类号 |
H03H9/64;H03H9/02;H03H9/10;H03H9/17;H03H9/56;H03H9/58;H03H9/70;H03H9/72;H04B1/52;(IPC1-7):H03H9/58 |
主分类号 |
H03H9/64 |
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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