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Recent content by cenyunyun

  1. C

    how to learn verilogA ?

    do u have the book? please share it
  2. C

    the slew component of capacitors

    hi, everybody when i read some papers, i saw this "the slew component of the sampling capacitors". but i can't get it. Can you teel me what "the slew component" refers to ? by the way, the bottom cap of the sampling capacitors means the parasitic cap? thanks a lot!
  3. C

    help: how to design a half band fir filter?

    hi, now, i m designing a sigma-delta dac , but i don't know how to design the interpolator. i just know it should use half band fir filter. could u tell me the theory, design and circuit about half band fir filter? thanks very much!
  4. C

    What does LINEWIDTH CONTROL mean?

    ?layout hey, what does 'LINEWIDTH CONTROL' mean? In the book ,'the art of analog layout', many places mention it. Can you explain it? Attention
  5. C

    A command in LAYOUT (cadence)?

    you can press ctrl+D to delete all devices you have chosen, then press S to choose the edge you want.
  6. C

    HELP! lvs for bipalor using dracula?

    thanks, i have solved it. Though dracula help is very useful and detailed, actually we will meet many difficulty which we can't expect. If somebody have any questions or have any lvs program, we can learn each other. Thanks again!
  7. C

    HELP! lvs for bipalor using dracula?

    Hi, Now I have designed a bipalor layout, but I don't know how to extract those devices.Can you give me an example about it? thanks. Regards, cenyunyun
  8. C

    How to simulate the performance of a SNR ?

    Re: snr To Tiger-Shark: Thank you, first. I have already studied some IEEE papers and roughly known of SNR. But I don't know whether I should design DSM module using Matlab and simulate it using simulink. If I should do it, I can't get the data from the result of simulink and so I can't...
  9. C

    How to simulate the performance of a SNR ?

    snr hello, Now, I am designing a delta-sigma DAC. But don't know how to simulate the performance of the delta-sigma modulator like SNR.
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