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[help] pll simulation in spectre

reddevil011

I am trying to run a PSS analysis of a closed-loop PLL in spectre, but encounter   converge problems.

Is it possible to run a PSS analysis of a closed-loop PLL?

thanks! 

Parents

  • Thank you for your note, Shawn. 

    It is the conventional way to analyse Pnoise of seperate parts and get Pnoise of PLL using S domain transfer function. But right now I just want to analyse the closed-loop PLL in Spectre and verify the results with S domain analysis results.

     

Reply

  • Thank you for your note, Shawn. 

    It is the conventional way to analyse Pnoise of seperate parts and get Pnoise of PLL using S domain transfer function. But right now I just want to analyse the closed-loop PLL in Spectre and verify the results with S domain analysis results.

     

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