A fully integrated 6-bit vector-sum phase shifter in 0.18 um CMOS

@article{Balashov2015AFI,
  title={A fully integrated 6-bit vector-sum phase shifter in 0.18 um CMOS},
  author={Evgeniy V. Balashov and I. A. Rumyancev},
  journal={2015 International Siberian Conference on Control and Communications (SIBCON)},
  year={2015},
  pages={1-5}
}
This paper presents a fully integrated vector-sum phase shifter with a 6-bit digital control in 0.18 um CMOS technology. The proposed architecture of the phase shifter control circuit provides the RMS phase error below 1.5 degrees due to the novel amplifier gain control circuit. The measured maximum gain is -5 dB and input 1 dB compression point is up to 4 dBm. The RMS phase error is less than 4.5 degrees in 2.2-3.2 GHz band with the possibility to reduce below 1.5 degrees. The input and output… CONTINUE READING

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