发明名称 |
Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output |
摘要 |
A surface acoustic wave interdigital transducer of a filter includes split finger electrodes in pairs. To achieve a desired transfer characteristic that is either symmetrical or deliberately asymmetrical, a number of the pairs of the split finger electrodes are replaced by single finger electrodes.
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申请公布号 |
US5521565(A) |
申请公布日期 |
1996.05.28 |
申请号 |
US19940210615 |
申请日期 |
1994.03.18 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
ANEMOGIANNIS, KIMON |
分类号 |
H03H9/02;H03H9/64;(IPC1-7):H03H9/64 |
主分类号 |
H03H9/02 |
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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