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A New Distortion Mechanism in Class B Amplifiers

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Mutual inductance between power-supply wiring and signal wiring in class B amplifiers introduces even-harmonic distortion. A circuit technique is described for constraining harmonic currents in power-supply wiring to well-defined loops, and these loops can be physically located so as to minimize mutual inductance.

JAES Volume 29 Issue 5 pp. 327-328; May 1981
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AES - Audio Engineering Society