Title :
Conversion of amplitude nonlinearities to phase nonlinearities in feedback audio amplifiers
Author_Institution :
Harmon Kardon, Inc., New York, USA
Abstract :
It is shown that by the application of feedback, an arbitrary open-loop amplitude nonlinearity of an audio amplifier is converted into a corresponding closed-loop phase nonlinearity. This effect manifests itself by the amplitude of the audio signal phase-modulating the high-frequency components of the signal.
Keywords :
Circuit stability; Cutoff frequency; Distributed amplifiers; Feedback loop; Frequency response; Laplace equations; Nonlinear equations; Phase modulation; State feedback; Transfer functions;
Conference_Titel :
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '80.
DOI :
10.1109/ICASSP.1980.1170982
