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A detailed analysis of the suitability of cold source based noise figure measurements in a spectrum analyzer is given in this paper. This technique presents some advantages in comparison to classical Y-factor techniques when dealing with problems related to device input match. A fully corrected noise figure calculation procedure, complemented with vector corrections and receiver noise calibration,...
In this paper, a specific simulation tool is developed in order to evaluate systematic error and measurement uncertainty associated to different methodologies for noise figure measurement of microwave circuits. The tool is based on Monte-Carlo algorithms and follows the recommendations of the IEC-ISO guide to the expression of uncertainty in measurement (GUM). Representative examples are given to...
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