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低噪声器件不断问世,低噪声接收系统不断发展,噪声系数(或噪声温度)测试的精确度越显重要。本文重点是分析使用8970A测试噪声系数的精确度,讨论提高测试精确度的途径。
With the advent of low-noise devices and the development of low-noise receiver systems, the accuracy of the noise figure (or noise temperature) test becomes more and more important. This article focuses on analyzing the accuracy of the 8970A test noise figure and discusses ways to improve test accuracy.