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Practical Implementation and Error Analysis of PSCPWM Based Switching Audio Power Amplifiers

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The paper presents an in-depth analysis of practical results for parallel phase-shifted carrier pulse-width modulation (PSCPWM) amplifier. Spectral analyses of error sources involved in PSCPWM are presented. The analysis is performed both by numerical means in MATLAB and by simulation in PSPICE, followed by practical verification on a prototype. A toolbox for MATLAB has been developed to ease the complex analysis.

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