5G毫米波混频器校准方法及测量不确定度评定  

Calibration Method of 5G Millimeter Mixer and Evaluation of Measurement Uncertainty

作　　者：杨斌 段誉 梁健同[1] Yang Bin;Duan Yu;Liang Jian-tong(The Fifth Electronics Research Institute of Ministry of Industry and Information Technology,Guangdong Guangzhou 510570)

机构地区：[1]工业和信息化部电子第五研究所,广东广州510570

出　　处：《电子质量》2022年第6期165-168,共4页Electronics Quality

摘　　要：文章介绍了5G毫米波混频器的频段范围、应用场景、工作原理、种类及技术指标,指出了毫米波混频器校准的意义,提出了毫米波混频器计量参数变频损耗、显示平均噪声、输入驻波比、1 dB压缩点的校准原理及校准方法。分析了变频损耗测量不确定度的来源,并进行了不确定分量的计算,对测量不确定度进行了评定。经评定,采用微波功率计和频谱分析仪作为主标准器的变频损耗校准结果扩展测量不确定度为1.3dB。The article introduces the frequency range,application scenarios,working principles,types and tech nical indicators of 5G millimeter-wave mixers,points out the significance of millimeter-wave mixer calibration,and puts forward the calibration principle and calibration method for conversion loss,display average noise level,Input VSWR,1 dB gain compression level.The source of the measurement uncertainty of the conversion loss is analyzed,the uncertainty component is calculated,and the measurement uncertainty is evaluated.The extended measurement uncertainty of the frequency conversion loss calibration result using microwave power meter and spectrum analyzer as the main standard is 1.3 dB.

关 键 词：5G 毫米波 混频器 校准 不确定度评定 

分 类 号：TN929.5[电子电信—通信与信息系统]