Title :
Intermodulation noise related to THD in wide-band amplifiers
Author :
Sjöland, Henrik ; Mattisson, Sven
Author_Institution :
Dept. of Appl. Electron., Lund Univ., Sweden
fDate :
2/1/1997 12:00:00 AM
Abstract :
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
Keywords :
circuit noise; harmonic distortion; intermodulation distortion; probability; wideband amplifiers; Gaussian input signal; IMD; THD; design parameter; intermodulation noise; probability density functions; sinusoid input signal; total harmonic distortion; wide-band amplifiers; Acoustic emission; Broadband amplifiers; Circuits; Digital filters; Frequency; Gaussian noise; Humans; Lattices; Noise level; Power amplifiers;
Journal_Title :
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
