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Forum TDK-EPC新推移动电视用超薄型带阻滤波器
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  • 带阻滤波器
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TDK-EPC新推移动电视用超薄型带阻滤波器

铁丝19
铁丝19 over 15 years ago

信息来源:EEWORLD

 

TDK公司的子公司TDK-EPC新推出了爱普科斯(EPCOS)生产的超薄型带阻滤波器,用于日本ISDB-T(日本综合业务数字广播标准的地面数字电视)数字电视标准的移动电视。新B8740采用小型1411 SMD包装(1.4 x 1.1 x 0.4 mm),是全世界最薄的封装之一。这使得制造商可以将滤波器用于支持的服务和功能越来越多(包括移动通讯和广播服务)的小型移动电话内。

凭借其良好的电气特性,B8740为使用的通道提供了高选择性。电视接收的可用带宽在470至770 MHz的通带,为300 MHz。在该范围内,新滤波器的最高插入损耗低至2.7 dB。其群时延波纹为6 ns。


抑制频率为824至840 MHz和898至925 MHz,因此B8740非常适合于不受干扰地接收移动电视。


B8740主要应用于日本数字电视ISDB-T标准下移动电话的电视接收。该产品符合RoHS。

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