SiGe BiCMOS 65-GHz BPSK transmitter and 30 to 122 GHz LC-varactor VCOs with up to 21% tuning range

  title={SiGe BiCMOS 65-GHz BPSK transmitter and 30 to 122 GHz LC-varactor VCOs with up to 21% tuning range},
  author={C.-H. Lee and Terry Yao and A. Mangan and K. H. K. Yau and M. W. Copeland and S. P. Voinigescu},
  journal={IEEE Compound Semiconductor Integrated Circuit Symposium, 2004.},
This work presents a systematic study of millimetre-wave, low-noise, widely-tuneable differential Colpitts VCOs. A design methodology was developed and validated experimentally over thirteen different varactor-tuned (VCO) and fixed-frequency L-C oscillators spanning the 30-GHz to 122-GHz frequency range. All circuits employ accumulation-mode n-MOS varactors, and multi-turn on-chip inductors. The 35-GHz and 60-GHz oscillators achieve phase noise of -112.7 dBc and -104 dBc/Hz, respectively at 1… CONTINUE READING
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