| 发明名称 |
Oberflächenwellenakustikfilter mit verbesserter Flankensteilheit |
| 摘要 |
The edge steepness of a pass band in a SAW filter comprising at least three series or parallel interconnected resonators is improved by providing several resonators with varying interdigital converter finger periodicities.
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| 申请公布号 |
DE19730710(A1) |
申请公布日期 |
1999.01.21 |
| 申请号 |
DE19971030710 |
申请日期 |
1997.07.17 |
| 申请人 |
SIEMENS MATSUSHITA COMPONENTS GMBH & CO. KG, 81541 MUENCHEN, DE |
发明人 |
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| 分类号 |
H03H9/145;H03H9/64;(IPC1-7):H03H9/64;H03H9/25 |
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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