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  • Jitter from pnoise simulation

    I'm desinnig a Time to digital converter and I would like to simulate the jitter of a driven buffer having a rising time of 350 ps. In my schematic, the buffer is driven by vpulse (ideal CLK @ 2 MHz) and I would like to simulate his output jitter. My setting of pss simulation is as follow: Beat frequency...
    Posted to RF Design (Forum) by moez on Fri, Mar 9 2012
  • Why is the Noise Factor that I've counted inconsistent with the result of Pnoise?

    Hi everyone, I've simulated the noise factor of Mixer ne600p in rfExamples library with PSS+Pnoise. With the Noise Summary printed, I calculated the Noise Factor, which is (total noise at output - load noise at output)/(source noise at output), then Noise Figure can be abtained with 10*lg(Noise Factor...
    Posted to RF Design (Forum) by xxgeneral on Thu, Feb 16 2012
  • how to capture 1/f noise in spectre

    Hello I am designing a down-converter and need to capture 1/f noise corner. I need to find a way to capture the corner automatically after simulation (PSS and Pnoise) instead of using rulers to find it. Does anyone know how to grab it automatically? Thanks much in advance.
    Posted to RF Design (Forum) by pureck on Fri, Apr 9 2010
  • Blog post on simulator analysis & when to use what

    This free article isn't all that relevant for experienced designers, but for the novice, it is helpful: http://www.circuitdesign.info/blog/2008/11/circuit-simulator-analyses/ (Full disclosure: I wrote it.)
    Posted to RF Design (Forum) by PoojanWagh on Fri, Nov 21 2008
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