A 2-W W-Band GaN Traveling-Wave Amplifier With 25-GHz Bandwidth

  title={A 2-W W-Band GaN Traveling-Wave Amplifier With 25-GHz Bandwidth},
  author={James M. Schellenberg},
  journal={IEEE Transactions on Microwave Theory and Techniques},
A high-power gallium-nitride (GaN) monolithic microwave integrated circuit (MMIC) operating over the 75-100-GHz band is reported. Using an on-chip traveling-wave power-combining network, it achieves a continuous wave output power level of 34 dBm (2.5 W) ±1 dB over the 75-100-GHz bandwidth and a peak power of 3 W at 84 GHz. Operating in a pulsed mode (10% duty), the MMIC chip produces a peak power of 3.6 W at 83 GHz. This work establishes new levels of performance for GaN MMICs at these… CONTINUE READING

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