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Calculation of noise impedance spectra

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The noise impedance spectrum is calculated from  power spectral densities of  noise potential and  noise current.  The potential power spectral density is divided by the current power spectral density , and the square root of this  result  provides the noise impedance spectrum. This is  illustrated in Figure7.0 .


Figure 7.0 Noise Impedance is calculated from  Potential PSD and Current PSD's.