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About Noise-Aware PLL Flow

flutecn
Thanks for that Cadence provide the PLL designer with a good tool named Noise-Aware PLL Flow. I have succeed to extract the PFDCP and VCO macro and its noise. However, when I run the overall pll bench follow the guidance, there is no PLL Noise PSD Data to plot though the PLL is locked properly in the transient simulation. Your answer is really appreciated. Thanks a lot!

  • Hello,

    I wrote and presented this paper so I would like to further help you being successfull using this flow. Did you use SpectreRF workshop or your own database? which simulator and IC releases did you use when running this flow? also which parameters did you specify at the VCO block level in the top level transient analysis?

    Best regards,

    Helene

     

     

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