The noise factor analyzer's operation principle and the basic noise factor measurement method, Yfactor method, are described.
论述了噪声系数分析仪的工作原理和噪声系数最基本的测量方法——Y因子法。
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This paper discussed the error in the measurement of noise figure—The method of Yfactor , The error is caused by mismatch of RF attenuater and IF attenuater and the others in the measurement system.