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Recent content by femtopiconano

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    Job opportunities in an IC design company based in Shanghai

    Re: Job opportunities in an IC design company based in Shang Sorry to disappointed you. But I met him twice, and once, he wanted to hire me. Fortunatly I discussed with some shanghainese designers, and they all told me the same bad stories. For instance I checked your number of designers and...
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    Job opportunities in an IC design company based in Shanghai

    Re: Job opportunities in an IC design company based in Shang All Shanghanese designes knows that company : mouse and IR controller and ClassD are their main designs in China ... Silan has a better chips :!: Furthermore, the CEO Gao is the best cheater I ever meet : very nice speech and hope...
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    How to scale the x axis in cadence spectre?

    spectre calculator xval Is there a way to do it within the calculator ? I to find the value of gm when the output is a given value.
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    Need homework and solution for berkeley ee240 byAli Niknejad

    plot 2id/gm for mos Who can help me with this question :?: I want to simulate it within Cadence :|
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    Need homework and solution for berkeley ee240 byAli Niknejad

    ee240 solution berkeley Who could help me with question 5 of the attached homework ? Which spice circuit to simulate ? How to arrange the voltage and source current to keep v*=2Id/gm constant while varying Vds ? Thanks. Question 5 : Plot the output resistance ro and DC gain gmro versus VDS...
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    Why usually the size of input device are bigger than others?

    Re: Why usually the size of input device are bigger than oth Why increasing the input pair size reduce bandwidth ??? GainBandwidth is proportional to gm and so the sqrt of W/L, isn't it ? SlewRate depend on current and Cload, not on the input pair ... isn't it ?
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    does the higher GBW mean faster settling time?

    In switched cap design, what does k depend on ? The slew-rate :?: BTW, do you have a paper or better a tutorial on that relation ?
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    DNL/INL test input files

    You can try to input all values in a linear pattern and then use matlab or excel to compute the INL / DNL.
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    how we do spectre noise analysis

    spectre noise simulation In Cadence ADE, in the results menu, I can get the ideal contribution of the main xx device to the noise. How can I get the contribution of a selected device with the calculator ?
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    High resistive poly resistor

    poly resister You can check your Dracula or Calibre or Diva or Assura LVS file. Which technology do you use ?
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    how we do spectre noise analysis

    spectre noise I have done the noise simulation based on noise simulation in the Analog Design Environment (ADE). I have chosen voltages for the input and output. Then I got a nice curve from 1Hz to 1GHz. How to get the total noise at the input of the OpAmp ? In the calculator, there is a choice...
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