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Difference between monte carlo simulation and normal ADE L simulation

RAJ JOHRI
RAJ JOHRI over 13 years ago

Hello!

Can anyone explain me what is difference between monte carlo simulation under ADE XL and a normal simulation under ADE L. I am working on single electron transistor. Number of research papers tell that they have simulated it using monte carlo simulation and the results have been obtained using single electron device simulator known as SIMON.

Please tell me, if I simulate the same single electron transistor model under cadence, would it make any difference or it can't be simulated in cadence.

Thank You!

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  • Quek
    Quek over 13 years ago

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    Hi Raj

    The normal simulation in ADE-L is just a single simulation based on preset parameter values. Monte Carlo simulation in ADE-XL is a series of simulation (e.g. 100 independent simulations) that usually uses random Gaussian values for certain parameters. This is to model the random nature of the changes in parameter values during mass production of a chip.

    I googled "single electron device simulation spectre" and seems to get quite a number of results. E.g.

    http://tinyurl.com/csosyxc

    From the abstract of the following paper, it seems that there should not be a problem in using a spice/spectre mode lto describe the single electron circuit:

    http://www.researchgate.net/publication/27348209_Simulation_of_single-electron_tunnelling_circuits_using_SPICE

    If you have the appropriate models, I think it should be fine. Sorry that I don't have any info on the difference between spectre/SIMON results. If you are having problems with the simulation, perhaps you can re-examine your model or contact your local Cadence support for more help. Hope that this info is useful for you. : )

    Best regards
    Quek

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  • Quek
    Quek over 13 years ago

    1024x768 Normal 0 false false false EN-US JA X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}

    Hi Raj

    The normal simulation in ADE-L is just a single simulation based on preset parameter values. Monte Carlo simulation in ADE-XL is a series of simulation (e.g. 100 independent simulations) that usually uses random Gaussian values for certain parameters. This is to model the random nature of the changes in parameter values during mass production of a chip.

    I googled "single electron device simulation spectre" and seems to get quite a number of results. E.g.

    http://tinyurl.com/csosyxc

    From the abstract of the following paper, it seems that there should not be a problem in using a spice/spectre mode lto describe the single electron circuit:

    http://www.researchgate.net/publication/27348209_Simulation_of_single-electron_tunnelling_circuits_using_SPICE

    If you have the appropriate models, I think it should be fine. Sorry that I don't have any info on the difference between spectre/SIMON results. If you are having problems with the simulation, perhaps you can re-examine your model or contact your local Cadence support for more help. Hope that this info is useful for you. : )

    Best regards
    Quek

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