Class D audio amplifier with hybrid control

@article{Joshi2015ClassDA,
  title={Class D audio amplifier with hybrid control},
  author={Sridhar Joshi and Parthasarathi Sensarma},
  journal={2015 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia)},
  year={2015},
  pages={182-189}
}
R-modeled speaker fed by sliding mode(SM) controlled half bridged audio amplifier(HBA) show significant phase difference between reference voltage and speaker current. The causes of phase difference possibly are inaccurate speaker model and phase lead/lag introduced by the output filter. To investigate phase difference, the transfer function of HBA and… CONTINUE READING