Abstract：Noise standard value calculation method is studied,which is in urgent need of vector network with noise option calibration process. The meaning of the noise standard value of the passive components and the characteristics of the existing calculation methods are reported, and through the existing two methods and different temperature conditions of the test data, the relationship between noise standard value and the ambient temperature and the S parameters of passive components is compared and analyzed. Based on the noise model of passive components, a new vector calculation method is proposed, which includes the temperature parameters. At 290 K ambient temperature, the maximum deviation of the calculated results in the 10-4~10-5 order of magnitude, which were calculated by the new method and the commercial software. The accuracy of the standard value of noise figure increased by about 0.08dB at 297 K ambient temperature, at the same time, the experimental results show that the ambient temperature has little influence on the amplitude and phase of the optimal source reflection figure.
吴爱华,刘晨,王一帮,梁法国. 无源器件噪声标准值计算方法的研究[J]. 计量学报, 2018, 39(1): 99-103.
WU Ai-hua,LIU Chen,WANG Yi-bang,LIANG Fa-guo. Research on Calculating Method about the Standard Value of Noise for Passive Device. Acta Metrologica Sinica, 2018, 39(1): 99-103.
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2018, Vol. 39 
