发明名称 |
Branching filter package |
摘要 |
A branching filter package has a SAW filter chip housing area which houses a piezo electric base, on which a transmitting SAW filter and a receiving SAW filter having a different frequency passing band with each other, are formed, and an impedance matching circuit and a branching circuit for the transmitting SAW filter and the receiving SAW filter.
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申请公布号 |
US7859362(B2) |
申请公布日期 |
2010.12.28 |
申请号 |
US20070978672 |
申请日期 |
2007.10.30 |
申请人 |
OKI SEMICONDUCTOR CO., LTD. |
发明人 |
OHASHI WATARU;SHIMAMURA HAJIME;KOMAZAKI TOMOKAZU;FUJITA YOSHIAKI |
分类号 |
H03H9/72;H03H7/38;H03H9/10 |
主分类号 |
H03H9/72 |
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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