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Recent content by Alan_yi

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    undefined layer

    Re: Problem on post layout simulation Thanks erikl The problem happens when I load the .tech file which is used for the LPE, the error comes out. It seems that the problem happens while compiling the rule files. I don't know how to solve it. In the DRC and LVS rule files, normally error...
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    undefined layer

    I am using DRC, LVS and LPE files (available from UMC 90nm design kit). DRC and LVS are running well, but when I run Calibre-> PEX (Parasitic Extraction) the following error is generated: "Undefined layer name parameter: NSD_C" LPE file has definition rules similar to the following given...
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    How to model the Clock jitter ?

    clock jitter model As the title. I am going to simulate the smapling jitter effect and pulth width jitter influence on the SNDR of delta sigma modulator. So I need to model the clock jitter and pulth width jitter in simulink. Does any one know how to model them in Matlab and simulink? I need...
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    Modeling of the continuous time sigma delta modulator

    sigma delta continuous time maple Thanks george. Hi, Sixth I have a dicussion with these people,some of them recommend matlab with maple to do the symbolic caculation.For the simulink design,there is some tool box for discrete time model,and for continuous time model, is it just to replace the...
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    Modeling of the continuous time sigma delta modulator

    sigma delta matlab As the title I will start the modeling work on several topogies of the sigma-delta modulator in order to compare the performance of the single loop, cascaded, lesilie-sign structure.And all of them will be realized in continuous-time domain. At first, I want to use matlab to...
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    How to simulate the performance of a SNR ?

    snr Hi, svensl Is there anyone using matlab to build a model for continuous time sigma-delta modulator? Added after 2 minutes: A lot of people use spice model directly to simulate continous-time SD modulator. I am wandering whether it is effective to do so.
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    Book about Layout design

    Nice,but I don't have enough points
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    What is the best book to start the anolog layout design?

    As the title I am in search of a good book to start the layout design.Can someone make a recommendation?Thx in advance.
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    What is behavioral simulation for Sigma-delta ADC?

    Hi,gsuarez Thanks for the nice paper. I am now design a continous Delta sigma ADC for wireless communicattion.You must have lots of experience on the SD design.Hope to learn from you.
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    How to compute the SNDR in delta-sigma modulator?

    thx! gsuarez The matlab file is quite useful!
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    What is behavioral simulation for Sigma-delta ADC?

    A lot of design will do the behavioral simulation first for SD ADC.I am a beginner in this field.Can someone tell me what is the behaviroral simulation and why it is important for the design process?
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    How to design Sigma Delta ADC?

    sigma delta motorola Is there any pdf version of the book " understanding delta-sigma data converters" It is 100 euros here in Belgium. Added after 4 minutes: What is behavioral simulation for Sigma-delta ADC? Is there any difference between the behavioral simulation and system level...
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