Bias optimized IP2 & IP3 linearity and NF of a decade-bandwidth GaN MMIC feedback amplifier

  • K. W. Kobayashi
  • Published 2012 in
    2012 IEEE Radio Frequency Integrated Circuits…

Abstract

This paper describes the bias-optimized performance of a 0.25-3.5GHz Cascode feedback amplifier which achieves flat-gain over a decade of BW. The LNA is fabricated using 0.25um GaN HEMT technology with fT ~ 50 GHz and BVgd >; 60V. A Cascode device is used for enhanced electrical and thermal performance but requires bias optimization. At an optimum low-noise… (More)

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