Digital Doherty Amplifier With Enhanced Efficiency and Extended Range

@article{Darraji2011DigitalDA,
  title={Digital Doherty Amplifier With Enhanced Efficiency and Extended Range},
  author={Ramzi Darraji and F. M. Ghannouchi},
  journal={IEEE Transactions on Microwave Theory and Techniques},
  year={2011},
  volume={59},
  pages={2898-2909}
}
In this paper, a digital Doherty power amplifier (PA) with improved efficiency performance over a wide power range is proposed. The efficiency enhancement is achieved by using a digitally controlled dynamic input power distribution scheme implemented to improve the active load modulation mechanism and to minimize the drive power waste into the peaking… CONTINUE READING

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