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Phase Modulation and Intermodulation in Feedback Audio Amplifiers

The recently published theory on feedback-generated phase modulation is reviewed, and the magnitude of closed-loop phase nonlinearity is calculated for various amounts of open-loop amplitude nonlinearity. A measurement method for this effect is outlined, and typical measurement results are shown.

 

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Permalink: https://aes2.org/publications/elibrary-page/?id=12002


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