Title :
Empirical analysis of the effect of parasitics and of reverse recovery as an amplitude error on distortion in a class D audio amplifier
Author :
Koeslag, F. ; du T.Mouton, H. ; Beukes, H.J.
Abstract :
An analysis of the effect of parasitics and reverse recovery on harmonic distortion in a class D audio amplifier is performed in this paper. The error sources under investigation are modelled empirically as an amplitude error, after which an existing strategy based on Newton´s numerical method is implemented to simulate its effect within the audible band. The results are compared to existing timing errors to determine its degree of dominance.
Keywords :
Newton method; audio-frequency amplifiers; harmonic distortion; Newton numerical method; amplitude error; audible band; class D audio amplifier; empirical analysis; parasitics effect; reverse recovery; timing error; total harmonic distortion; Frequency; Harmonic analysis; Harmonic distortion; Inductors; MOSFET circuits; Performance analysis; Power semiconductor switches; Timing; Total harmonic distortion; Voltage control; Class D Audio; Parasitics; Reverse Recovery; Total Harmonic Distortion;
Conference_Titel :
AFRICON, 2009. AFRICON '09.
Conference_Location :
Nairobi
Print_ISBN :
978-1-4244-3918-8
Electronic_ISBN :
978-1-4244-3919-5
DOI :
10.1109/AFRCON.2009.5308132
