Wide-band CMOS VCO and frequency divider design for quadrature signal generation

  title={Wide-band CMOS VCO and frequency divider design for quadrature signal generation},
  author={Youngcheol Park and S. Chakraborty and C.-H. Lee and S. Nuttinck and J. Laskar},
  journal={2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535)},
  pages={1493-1496 Vol.3}
We present the design, implementation, and measurement of a fully integrated wide-band (3.3GHz-4GHz) CMOS VCOs and frequency divider, as well as the analysis and comparison of VCO topologies for their uniform phase noise performance in the wide tuning range. In addition, the dynamic range of the frequency divider is analyzed based on experimental results for the first time. The different VCO topologies have been investigated by using the measured results. It is demonstrated that the NMOS-PMOS… CONTINUE READING


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