A broadband millimetre-wave differential pHEMT frequency doubler MMIC

  title={A broadband millimetre-wave differential pHEMT frequency doubler MMIC},
  author={S. J. Mahon and P. Beasty and J. T. Harvey and Alex Bessemoulin},
  journal={IEEE Compound Semiconductor Integrated Circuit Symposium, 2005. CSIC '05.},
  pages={4 pp.-}
This paper presents the design and performance of a broadband millimetre-wave frequency doubler MMIC using active 0.15-/spl mu/m GaAs pHEMT and operating at output frequencies from 10 to 50GHz. Thanks to a differential pHEMT structure and distributed amplifier, the MMIC doubler exhibits more than 10dB conversion gain from 15 to 50GHz with more than 18-dBm of saturated output power. The fundamental rejection is typically -25dBc up to 40GHz and better than -15dBc to 50GHz. The chip size is 2.7mm… CONTINUE READING


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