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Intermodulation noise related to THD in wide-band amplifiers

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2 Author(s)
Sjoland, H. ; Dept. of Appl. Electron., Lund Univ., Sweden ; Mattisson, S.

It is shown that the power of the intermodulation noise of a wide-band amplifier with a Gaussian input signal, can be estimated by the total harmonic distortion (THD) with a sinusoid input signal of appropriate amplitude. The THD is, as opposed to the intermodulation noise, easy to measure and use as a design parameter. A novel method based on probability density functions is used. The method is demonstrated by a practical example, and a mathematical experiment is carried out to validate it

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Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on  (Volume:44 ,  Issue: 2 )