A linear GaN UHF SSPA with record high efficiency

@article{Katz2009ALG,
  title={A linear GaN UHF SSPA with record high efficiency},
  author={Allen Katz and Brian Eggleston and David Michael McGee},
  journal={2009 IEEE MTT-S International Microwave Symposium Digest},
  year={2009},
  pages={769-772}
}
This paper discusses a highly efficient linear UHF solid state power amplifier (SSPA) developed for avionics and space applications. Predistortion linearization combined with high-voltage gallium nitride (GaN) FET technology allows the simultaneous achievement of both linearity and record high linear efficiency (70%). This amplifier will produce over 100 W of linear output power as well as a power added efficiency (PAE) at saturation approaching 90 percent. This paper describes the power… CONTINUE READING

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