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公开(公告)号:US20130321103A1
公开(公告)日:2013-12-05
申请号:US13992160
申请日:2011-02-04
IPC分类号: H03H9/64
CPC分类号: H03H9/64 , H03H9/0222 , H03H9/02779 , H03H9/14505 , H03H9/14558
摘要: A new type of very broad bandwidth filters with small insertion loss and high return loss are given. The new filter uses a substrate that can propagate a PSAW and fan shaped transducers of low metallisation height, high metallisation ratio, low reflectivity and high coupling coefficient.
摘要翻译: 给出了一种具有小插入损耗和高回波损耗的新型宽带宽滤波器。 新的过滤器使用可以传播低金属化高度,高金属化率,低反射率和高耦合系数的PSAW和扇形换能器的基板。
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公开(公告)号:US08941451B2
公开(公告)日:2015-01-27
申请号:US13992160
申请日:2011-02-04
CPC分类号: H03H9/64 , H03H9/0222 , H03H9/02779 , H03H9/14505 , H03H9/14558
摘要: A new type of very broad bandwidth filters with small insertion loss and high return loss are given. The new filter uses a substrate that can propagate a PSAW and fan shaped transducers of low metallisation height, high metallisation ratio, low reflectivity and high coupling coefficient.
摘要翻译: 给出了一种具有小插入损耗和高回波损耗的新型宽带宽滤波器。 新的过滤器使用可以传播低金属化高度,高金属化率,低反射率和高耦合系数的PSAW和扇形换能器的基板。
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