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ADE,simulation

  • Simulating Crystal Oscillators is Much Easier in MMSIM12.1 - Part 2

    Greetings, Simulating crystal oscillators got a lot easier in MMSIM12.1... We have made enhancements to both Harmonic Balance and transient analyses. In Part 1 , I discussed Improvements to the Harmonic Balance use model. With the new streamlined Choosing Analyses form, you now can focus on getting your...
    Posted to RF Design (Weblog) by Tawna on Thu, Dec 20 2012
  • MMSIM 12.1 SpectreRF -- Preview of Coming nport Attractions! Part 2

    Greetings, MMSIM 12.1 contains many new features to aid RF designers. Many of these changes are described in my Part 1 blog post. I've saved my favorite for last....here's a preview of the changes to the nport component in MMSIM12.1. 1. The Edit Object Properties/Add Instance form has been revised...
    Posted to RF Design (Weblog) by Tawna on Mon, Nov 19 2012
  • Modeling Oscillators with Arbitrary Phase Noise Profiles

    When you need to include noisy oscillators in SpectreRF transceiver simulations, you have at least 3 options: 1) Semi-autonomous simulation is the most accurate approach, recommended whenever the transistor-level model of the oscillator is available. 2) rfLib/osc model is less accurate but it’s...
    Posted to RF Design (Weblog) by Tawna on Thu, May 24 2012
  • Measuring 2-Tone Intermodulation Using Envelope-Following Analysis

    From time to time, SpectreRF users simulate very large, extracted-view circuits in 2+ tone QPSS. In many of those cases, memory requirements exceed the available resources. When that happens and small-signal approximations aren’t applicable, the user is typically stuck. The solution below and attached...
    Posted to RF Design (Weblog) by Tawna on Wed, May 16 2012
  • TFT and BSIM device equations

    Hello everyone I am working TFT circuit design. According to Virtuoso® Simulator Circuit Components and Device Models Manual Product Version 7.1.1 June 2009, Cadence Spectre and UltraSim simulators support RPI TFT model. The equations of RPI TFT models are listed in the above file. I created the...
    Posted to Custom IC Design (Forum) by SilentHunter on Sat, May 14 2011
  • Plotting new post-simulation outputs in ADEXL

    Hi, I'm using IC6.1.3.500.11. I have a pretty simple problem which I can't seem to find the solution to. After finishing a simulation in ADE XL and changing or adding some expressions in my 'Outputs Setup' window, the new expressions are not reflected in the 'Results' tab. It...
    Posted to Custom IC Design (Forum) by blorbx on Wed, May 11 2011
  • ADE hangs up when java is running

    Dear Cadence-Experts, I have a problem with the ADE (Analog Design Environment) running within a newly installed Cadence software (IC 6.1.3, MMSIM 7.01, IUS 8.10 under RedHat 4 on Intel Core i7 CPU 950). Problem scenario 1: * A quick way to trigger the problem is to try to change the "Project Directory"...
    Posted to Custom IC Design (Forum) by Michael2010 on Thu, Nov 25 2010
  • Multiple Model Files

    Hi, I am working on a circuit where I need multiple model files. The first one I am using is gpdk045, I tried modifying this file to use with transistors from the analog library. The problem I have is that my simulations are wrong whenever I use a transistor with the second model file it just produces...
    Posted to Custom IC Design (Forum) by Karo on Wed, Jul 21 2010
  • Problem with Simulating Design using Spectre

    I have created a schematic using Virtuoso 6. When I open the ADE, it says "(deLicense-7) Could not get a license for ADE L. Would you like to try to get a higher-tiered license to run this product?" When I click on Yes, it starts the ADE, but when I set up the analysis and click on "Netlist...
    Posted to Custom IC Design (Forum) by govilv on Thu, Jun 4 2009
  • ocean problem &ocnPrint!

    I write ocean script for parameter analysis and use ocnPrint to print some simulation result. For example: fp=outfile( "./paramResults.out" "a" ) risetime_netA=riseTime(clip(VT("/C5") 5e-08 9e-08) 0 nil VAR("core_voltage") nil 10 90)*1e09 ocnPrint(?output fp ?numSpaces...
    Posted to Custom IC Design (Forum) by Avanti on Wed, Feb 4 2009
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