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A Low-Power Low-Complexity Transmitter for FM-UWB Systems

  • Zhou, Bo (School of Information and Electronics, Beijing Institute of Technology) ;
  • Wang, Jingchao (Institute of China Electronic Equipment System Engineering Company)
  • Received : 2014.09.14
  • Accepted : 2015.01.13
  • Published : 2015.04.30

Abstract

A frequency modulated ultra-wideband (FM-UWB) transmitter with a high-robust relaxation oscillator for subcarrier generation and a dual-path Ring VCO for RF FM is proposed, featuring low power and low complexity. A prototype 3.65-4.25 GHz FM-UWB transceiver employing the presented transmitter is fabricated in $0.18{\mu}m$ CMOS for short-range wireless data transmission. Experimental results show a bit error rate (BER) of $10^{-6}$ at a data rate of 12.5 kb/s with a communication distance of 60 cm is achieved and the power dissipation of 4.3 mW for the proposed transmitter is observed from a 1.8 V supply.

Keywords

References

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