Design of a Concurrent Dual-Band 1.8–2.4-GHz GaN-HEMT Doherty Power Amplifier

@article{Saad2012DesignOA,
  title={Design of a Concurrent Dual-Band 1.8–2.4-GHz GaN-HEMT Doherty Power Amplifier},
  author={Paul Saad and Paolo Colantonio and L. Piazzon and Franco Giannini and Kristoffer Andersson and Christian Fager},
  journal={IEEE Transactions on Microwave Theory and Techniques},
  year={2012},
  volume={60},
  pages={1840-1849}
}
In this paper, the design, implementation, and experimental results of a high-efficiency dual-band GaN-HEMT Doherty power amplifier (DPA) are presented. An extensive discussion about the design of the passive structures is presented showing different possible topologies of the dual-band DPA. One of the proposed topologies is used to design a dual-band DPA in hybrid technology for the frequency bands 1.8 and 2.4 GHz with the second efficiency peak at 6-dB output power back-off (OBO). For a… CONTINUE READING
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