It is known that the harmonic distortion of an active filter is greater than the distortion of the operational amplifier itself. This paper analyzes positive and negative feedback linear filters; Buttersworth, Chebyshev, Bessel and bandpass filters. The distortion multiplication factor is defined (Kd) and it is plotted versus frequency. Through a computer calculation program, the maximum values of Kd found for several filters configurations, will be given in an useful way for filter designers.

Author: Bonello, Oscar J.
Affiliation: Solidyne Srl., Buenos Aires, Argentina
AES Convention: 72 (October 1982) Paper Number: 1905
Publication Date: October 1, 1982 Import into BibTeX
Subject: Signal Processing and Amplification
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=11851

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