On Instantaneous Power Dissipation in Class B Amplifier
Journal Title: TEM JOURNAL - Year 2014, Vol 3, Issue 2
Abstract
The present paper describes the analysis of the instantaneous power dissipation by the two active components in a class B power amplifier. Attention is paid to restrictions of the instantaneous power dissipation relations in reference literature, and the consequences of their misuse. A new generalized equation that takes into account the power dissipated by the two active devices is proposed. The theoretical statement is substantiated by Matlab® numeric computation and visualization, Cadence OrCAD® simulations and measurements of a real-world audio power amplifier performed by NI USB-6211 measurement complex.
Authors and Affiliations
Hristo Zhivomirov, Ekaterinoslav Sirakov
Keywords
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