A Novel Doherty Transmitter Based on Antenna Active Load Modulation

@article{Jia2015AND,
  title={A Novel Doherty Transmitter Based on Antenna Active Load Modulation},
  author={Shuo Jia and Wenhua Chen and Dominique M. M.-P. Schreurs},
  journal={IEEE Microwave and Wireless Components Letters},
  year={2015},
  volume={25},
  pages={271-273}
}
This paper presents a novel Doherty transmitter architecture based on antenna active load modulation (AALM) to improve the efficiency of array transmitters, where the conventional power combiner is substituted by an antenna array. Different from conventional Doherty architecture, the active load modulation is realized by the mutual coupling between the array elements. To verify the proposed architecture, a power amplifier (PA) prototype is designed and implemented at 2.3 GHz. Experimental… CONTINUE READING

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