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一种Ka频段下变频系统
Authors
王锦清
苟伟
虞林峰
顾晓婕
Publication date
1 January 2013
Publisher
Abstract
本实用新型涉及一种Ka频段下变频系统,其包括:一安装本体,其上表面和下表面上分别设有第一腔体和第二腔体;一工作在Ka频段、用于接收射频信号和本振频率的IQ接收机芯片,其通过一射频电路板固定连接在所述第一腔体中;一与所述IQ接收机芯片连接、用于将所述射频信号的射频频率变频至中频频率的中频转换模块,其通过一中频电路板可拆卸地连接在所述第一腔体中;以及与所述IQ接收机芯片和所述中频转换模块连接的供电电路板,其设置在所述第二腔体中。本实用新型可以将射频频率内的所有射频信号无混叠地直接变频至中频频率;本实用新型通过将IQ接收机芯片、中频转换模块和供电电路板集成在同一安装本体中,从而实现了整个系统的小型化
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Shanghai Astronomical Observatory,Chinese Academy of Sciences
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Last time updated on 20/01/2020