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phase noise

  • SpectreRF AppNotes and Tutorials....Still One of our Best Kept Secrets!
    Some of you may remember the blog written several years ago " Shhhhh...SpectreRF Tutorials and AppNotes - One of Our Best Kept Secrets ". Well, the more things change...the more things stay the same! The location of these tutorials and appNotes still seems to be one of our best kept secrets...
    Posted to RF Design (Weblog) by Tawna on Mon, Jan 16 2012

  • Q&A: TI Wireless Team Describes Advanced Phase-Noise Characterization for RF Oscillators Using SpectreRF
    In this interview, members of the Texas Instrument wireless group talk about the characterization effort initiated and completed last year between Cadence and IBM using TI RF designs as a pilot. The goal between the two teams was to optimize SpectreRF usage to successfully and efficiently simulate TI...
    Posted to RF Design (Weblog) by helenet on Wed, Jun 15 2011

  • Jitter in Strong and Weak Inversions
    Dear all, I have designed a crystal oscillator, but some doubts still remain. Below please find the schematic attached (Pierce Oscillator). 1 - When analysing the phase noise a "bump" appears by the end of the curve (both in strong and weak inversion). What is the reason for that (file attached...
    Posted to Custom IC Design (Forum) by pcardoso73 on Sat, Apr 23 2011

  • Re: PSS, PNOISE and Transient Noise
    Hello, Thanks for your answers. Relating to point 4, so if I choose either transient noise analysis or transient analysis without checking the transient noise analysis, the result of the Phase-Noise/Jitter calculations will be the same on the two cases, right ? Relating to your question in point 5, I...
    Posted to Custom IC Design (Forum) by pcardoso73 on Mon, Apr 11 2011

  • PSS, PNOISE and Transient Noise
    Hi all, I have several questions which i will describe by topics. All the circuit design is made in Candence using Spectre. 1 - As transient noise introduces noise in the transient simulation, I export the data to Matlab to perform the Jitter (RMS and Peak-to-Peak) calculations. How can I do this in...
    Posted to Custom IC Design (Forum) by pcardoso73 on Tue, Apr 5 2011

  • PNOISE and Transient Noise
    Hello all, I am doing a Phase Noise analysis, which I would like to convert to jitter. 1 - I am using a tran analysis+ PSS+ PNOISE and I get the Phase Noise out of this. How can I get the jitter ? 2 - The transient noise should be enable during the tran simulation , and use those data on PSS+PNOISE ...
    Posted to Custom IC Design (Forum) by pcardoso73 on Thu, Feb 24 2011

  • Unable to plot phase noise
    Hi, After running pnoise: jitter analysis, I wanted to plot the phase noise by choosing: Direct Plot Form => pnoise jitter => Phase Noise => dBc => Plot I got some error messages shown as follow: *Error* flip: can't handle flip(nil) *Error* flip: can't handle flip(nil) *Error* flip...
    Posted to Custom IC Design (Forum) by sebastion on Wed, Jul 21 2010

  • difference between the two phase noise functions in Direct Plot Form?
    Hi, I am trying to simulate the phase noise of a 25GHz LC oscillator using pss (flexible balance) and pnoise analysis. In the Direct Plot Form, there are two different Phase Noise options: 1) Analysis: pnoise Function:Phase Noise 2) Analysis: pnoise jitter Function: Phase Noise The two above give different...
    Posted to RF Design (Forum) by SonerYaldiz on Sat, May 8 2010

  • 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

  • pss+pnoise analysis failure in Monte Carlo Simulation
    Hi, I am trying to run a Monte Carlo simulation of a 25GHz LC-VCO (vco followed by an ac-coupled buffer) for phase noise (mmsim-7.11, pss (harmonic balance) and pnoise). When I try a single run (no variability), the simulation finishes successfully without any errors or warnings. When I try running a...
    Posted to RF Design (Forum) by SonerYaldiz on Wed, Jan 27 2010
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