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Distortion in Positive- and Negative-Feedback Filters

It is known that the harmonic distortion of an active filter is greater than the distortion of the operational amplifier itself. Positive- and negative-feedback linear filters, namely, Butterworth, Chebyshev, Bessel, and band-pass filters, are analyzed. The distortion multiplication factor K(d) is defined and plotted versus frequency. The maximum values of K(d) found for several filter configurations by means of a computer program are given in a form useful for filter designers.

Author: Bonello, Oscar J.
Affiliation: Solidyne SRL, Buenos Aires, Argentina
JAES Volume 32 Issue 4 pp. 239-245; April 1984 Import into BibTeX

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E-Library Location: (CD aes4)   /jrnl7888/1984/7983.pdf

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