发明名称 |
Surface acoustic wave filter circuit having plural passing bands |
摘要 |
<p>The filter circuit is a filter circuit having plural passing bands, comprising a first filter 701 having a first passing band, and a second filter 702 having a second passing band, with their inputs and outputs connected mutually, and these filters connected in parallel, in which inductor elements 703-1, 703-2 are connected in series to a terminal of the first filter 701 to which the second filter 702 is connected, and capacitor elements 704-1, 704-2 are connected in series to a terminal of the second filter 702 to which the first filter 701 is connected. <IMAGE></p> |
申请公布号 |
EP0881763(A2) |
申请公布日期 |
1998.12.02 |
申请号 |
EP19980109863 |
申请日期 |
1998.05.29 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAGUCHI, YUTAKA;EDA, KAZUO;KAWASAKI, OSAMU;SEKI, SHIN-ICHI;ONISHI, KEIJI;SATO, HIROKI |
分类号 |
H03H9/64;H03H9/72;(IPC1-7):H03H9/64 |
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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