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Spectre

  • MMSIM 6.2 - Spectre question

    Hi, I am using MMSIM 6.2 to run some Spectre simulations and I am having some unexpected problems with the results. I am simulating files netlistTRAN022.1x1.saveall.PHC.scs and netlistTRAN022.1x1.saveselected.PHC.scs. The only difference between these files is the following options statement: (in netlistTRAN022...
    Posted to Custom IC Design (Forum) by yoyega on Thu, May 14 2009
  • An Efficient and Fast Verification Flow for Analog Designs Validation using Virtuoso SpectreMDL

    The emergence of sub-micron technologies has enabled today’s designers to include various digital/analog/RF components in a single chip. The complexity of validating such designs has highlighted the necessity for a robust validation methodology and for an appropriate process for running efficient...
    Posted to Custom IC Design (Weblog) by helenet on Mon, May 4 2009
  • 2009 RFIC Symposium in Boston - Are You Going?

    If you are an RFIC designer then I hope you are planning on attending the 2009 RFIC Symposium and the International Microwave Symposium (IMS) which will be held in Boston, Massachusetts, as the centerpieces of Microwave Week 2009, scheduled from Sunday June 7 through Friday June 12, 2009. The 2009 RFIC...
    Posted to RF Design (Weblog) by TomC on Mon, Apr 27 2009
  • Setting VIVA Waveform Color Defaults When Using ADE

    I found myself getting a little bit frustrated with some of the default colors that would come up in the VIVA waveform tool while I was plotting from the Analog Design Environment (ADE). After working with Kabir, the Product Engineer for VIVA, I discovered that the colors for the waveform defaults are...
    Posted to RF Design (Weblog) by dondnile on Tue, Apr 21 2009
  • Input power of a subcircuit

    Hi, I'm simulating with an envlp + pss simulation a rectifier and I would like to estimate the power that goes in input to a subcircuit that implements it. The input voltage of the subcircuit is constant and the current is given by a constant plus an alternating contribution. I tried the following...
    Posted to Custom IC Design (Forum) by Ueue on Mon, Apr 6 2009
  • Re: OCEAN simulation used for envlp analysis

    Thanks for your answer! The version of icfb is 5.1.0, the sub-version 5.10.41.500.5.96! If I generate the netlist in an OCEAN script, in the file input.scs there is not the clockname, as shown in the following lines: " envlp envlp harms=1 stop=200u errpreset=conservative readic="enc.fc"...
    Posted to Custom IC Design (Forum) by Ueue on Fri, Apr 3 2009
  • OCEAN simulation used for envlp analysis

    Hi, I have a problem executing envlp analysis through OCEAN scripts. If I try to execute the simulation with the graphic interface, all is ok, but saving the script and executing it, an error stops the envlp simulation. The error is: " Error found by spectre during envelope following analysis `envlp'...
    Posted to Custom IC Design (Forum) by Ueue on Thu, Apr 2 2009
  • Turning the Downturn Upside Down

    Many bemoan the gloom and doom of the present economic situation, and it is true that some have been really hurt by it. Much is being discussed about the current downturn and its effect on virtually every industry. At the same time, there is also discussion of the 'upside of a downturn', where...
    Posted to Digital Implementation (Weblog) by Chi Ping Hsu on Fri, Feb 20 2009
  • SpectreRF GUI Support for MMSIM 7.1

    MMSIM 7.1 has just been released! The following IC release GUIs support the new MMSIM7.1 features: IC5.1.41.500.5.129 (However, USR6 or later is strongly recommended) IC6.1.1 ISR65 IC6.1.3 ISR5 And later subversions. For more information, similar tips, and design topics, please visit sourcelink.cadence...
    Posted to RF Design (Weblog) by Tawna on Fri, Jan 23 2009
  • MMSIM 7.1 Enhancements Benefit RF Designers!

    The 7.1 release of MMSIM is scheduled for mid-January. There are many exciting RF enhancements that will be useful for RF designers. 1. Three new RF analyses using the harmonic balance engine, have been introduced to make the Spectre RF easier to use: HB, HBAC, and HBnoise. HB analysis (hb) provides...
    Posted to RF Design (Weblog) by Tawna on Wed, Jan 14 2009
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