【应用】小体积高通滤波器SLFH18-2R300G-33TF系列用于直放站，最大插损仅1.1dB

时间： 2023-01-14 来源：世强

技术问答

射频器件中滤波器完成对所需要的信号频率的选取，并完成滤除掉不需要的信号频率的作用。滤波器类型主要分为低通、带通、高通和带阻四种类型，在此主要介绍高通滤波器在基站中的应用，下图为发射机的框图：

客户的直放站项目中，分别有应用到了顺络的高通和低通滤波器产品，用于接收不同频段的信号，其中顺络的SLFH18-2R300G-33TF系列滤波器产品主要是一款高通滤波器，用于2.6GHz频段信号的过滤，产品具备以下特性与优势：

产品优势：

小体积、重量轻：便于客户直放站产品的小型化设计；
低插损：衰减小，降低基站衰减；
高回波损耗：提升基站的传送效率；
中心频率和衰减可根据情况定制：可以随客户需求进行调整；

综上所述，结合SLFH18-2R300G-33TF系列的滤波器产品优势以及特性，能够有效运用在通信设备中。

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