一种高集成八通道Ka频段低噪变频组件的研制  

Design of High Integration Eight-channel Ka-band Low Noise Down-converter Module

作　　者：王芹英 董春雨 祝大龙[1] 王雁翔 WANG Qinying;DONG Chunyu;ZHU Dalong;WANG Yanxiang(Aerospace Long March Rocket Technology Co.,Ltd,Beijing 100076,China;Shanghai Areospace Electronics Co.Ltd,Shanghai 201821,China;Aerospace Times FeiHong Technology Company Limited,Beijing 100094,China)

机构地区：[1]航天长征火箭技术有限公司,北京100076 [2]上海航天电子有限公司,上海201821 [3]航天时代飞鸿技术有限公司,北京100094

出　　处：《遥测遥控》2024年第6期72-77,共6页Journal of Telemetry,Tracking and Command

摘　　要：本文介绍一种高集成八通道Ka频段低噪下变频组件的功能和组成,研制了八通道Ka频段低噪下变频组件,提出了组件的工作原理和电路实现方式,对组件的隔离度、通道一致性、噪声系数、组合频率进行了分析。该变频组件测试结果为:噪声系数≤2.3 dB,变频增益≥35 dB,通道间幅度一致性≤±0.5 dB,多通道间隔离度≥60 dB,具有体积小、可靠性高、一致性好等优点,在某Ka频段测控系统的多波束引导接收中得到成功应用。This paper introduces the composition,major function,and technical specifications of a high integrated eight-channel Ka-band low noise down-converter module.An eight-channel Ka-band low noise down-converter module is designed,and the implementation method of the circuit is proposed.The isolation,amplitude imbalance,noise figure(NF),and combined frequency interference are also analyzed.The measured results of the module are as follows:NF is lower than 2.3 dB,the converter gain is more than 35 dB,and the amplitude imbalance is lower than ±0.5 dB.The isolation of multi-channel is more than 60 dB.The module has the advantages of a small size,high output power,high reliability,and good consistency.It has been successfully applied in TT&C.

关 键 词：下变频组件 隔离度 幅度一致性 变频增益 KA频段 

分 类 号：TN773.4[电子电信—电路与系统] V556.1[航空宇航科学与技术—人机与环境工程]