High-performance 450-GHz GaAs-based heterostructure barrier varactor tripler

@article{Saglam2003Highperformance4G,
  title={High-performance 450-GHz GaAs-based heterostructure barrier varactor tripler},
  author={Mustafa Saglam and Brigitte Schumann and K. Duwe and Chieko Domoto and A. Megej and Manuel Rodr{\'i}guez-Giron{\'e}s and J. Muller and Rolf Judaschke and H. L. Hartnagel},
  journal={IEEE Electron Device Letters},
  year={2003},
  volume={24},
  pages={138-140}
}
In this letter, we report on the record performance of GaAs-based heterostructure barrier varactors (HBVs) in tripler circuits. Both fabrication technique of planar Al/sub 0.7/Ga/sub 0.3/As/GaAs heterostructure barrier varactors (HBVs) and measurements of a corresponding tripler circuit are presented. Planar transmission lines on a thin dielectric membrane and flip-chip technique without air bridges provide reduced parasitic losses and, hence, higher tripler efficiency. Frequency tripler… CONTINUE READING

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