Design and simulation of Fractional-N PLL frequency synthesizers

  title={Design and simulation of Fractional-N PLL frequency synthesizers},
  author={M{\"u}cahit Kozak and Eby G. Friedman},
  journal={2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512)},
A fast simulation environment has been developed using MATLABM/spl trade/ and CMEX/spl trade/ for behavioral level simulation of Delta-Sigma (/spl Delta//spl Sigma/) based Fractional-N PLL frequency synthesizers. The simulator uses a differential equation approach with a uniform time step. To support a uniform time step in the simulation, the continuous-time average current-to-voltage loop filter transfer function is modeled as a discrete-time charge difference-to-voltage transfer function… CONTINUE READING
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