The Systematic Error of Measurement of the Exponent of the Frequency Dependence of the Spectrum of Low-Frequency Noise

详细

The features of measurements of the parameters of low-frequency noise with a spectrum of the form 1/f^γ of electronic components are considered. Expressions for the systematic error in determining the exponent γ from the results of single measurements of the spectral power density of the noise by a direct estimate at two frequencies, taking thermal and shot noise of the monitored article into account, are obtained and analyzed. Recommendations on minimizing the total error in determining γ are given.