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spectreRF,accuracy

  • Re: Stop Time in Transient Analysis

    Hi Hadi, > Why should we enable conservative in errpreste ? To quote one of my favorite engineers...I've never met a designer who favored a quick result over an accurate one in their final oscillator design... :-) Unless you really understand the simulator options, what each one does, and how...
    Posted to Custom IC Design (Forum) by Tawna on Wed, May 21 2014
  • Re: VCO: PSS and pnoise analysis and Numerical Errors

    Hi Sivaramakrishna, If this is a strongly nonlinear circuit (e.g. ring oscillator), then pss-shooting is appropriate. Otherwise, I would use hb (harmonic balance). Please check out your setup - very important to get correct results. In my blog: SpectreRF Tutorials and Appnotes... Shhhh... We Have a NEW...
    Posted to RF Design (Forum) by Tawna on Wed, Jan 22 2014
  • Re: What is the use of No of harmonics option in PSS form

    Hi yxue, In harmonic balance, the number of harmonics chosen does affect accuracy. There is a blog and a solution on this: Here is the Blog: Guidelines for Maximizing Speed vs Accuracy for Harmonic Balance - Part 2. http://www.cadence.com/Community/blogs/rf/archive/2011/11/01/guidelines-for-maximizing...
    Posted to RF Design (Forum) by Tawna on Tue, Oct 2 2012
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