An analysis of feedback amplifiers is presented which clearly shows the fundamental similarity that exists between the major identifiable types of distortion, such as THD, SID, etc. By viewing distortion as a dependent input noise source and using network transformations a simple cascade model is introduced which puts most forms of distortion in an elegantly simple common perspective. General equations for distortion are derived from the model and applied to a few typical circuit configurations.

Author: Frey, Douglas R.
Affiliation: Electrical Engineering Department, Lehigh University, Bethlehem, PA
AES Convention: 64 (November 1979) Paper Number: 1521
Publication Date: November 1, 1979

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