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Recent content by cougar168

  1. cougar168

    Need example - bias current in CMOS integrated circuit

    bias current Just run the simulation, it can tell you the voltage/current at each node
  2. cougar168

    bandgap reference - need suggestions on the topology

    Re: bandgap reference Please post your OPAMP circuit. What is the current for each branch across the temp range at different VDD?
  3. cougar168

    White LED drive circuit

    white led driver circuit What is your LED rating?
  4. cougar168

    Can I use different kinds of MOSFETs in one circuit (.18 CMOS process)?

    Re: .18 cmos question For LDO, there are quiet a few parameters need to be considered, such as load regulation......
  5. cougar168

    What is the parasitic extraction and how is it carried out?

    Re: parasitic extraction Assura does a pretty good job too
  6. cougar168

    Analog Circuitry used in Flash Memory Circuits

    Very well said, everything is controlled by the State Machine; if it is MLC, it will be more sophisticated...
  7. cougar168

    layout software comparison

    Hi Guys, What about LAKER? I suppose it is better than Virtuoso
  8. cougar168

    Circuit simulation and analysis with HSpice

    Re: spice Hmm, I thought that guy needed T Spice, not HSPICE Thanks for the uploading anyway
  9. cougar168

    How to use NCSU CDK in IC5141?

    Re: how to use CDK You can just follow the instructions included in the kit
  10. cougar168

    What is a difference between PWELL and PSUB?

    Re: PWELL Vs Psub Pwell and Psub are different regions in layout. Typically, Pwell doping concentration is higher than Psub.
  11. cougar168

    who knows the pros and cons of TSMC, UMC, Chartered, SMIC

    Re: who knows the pros and cons of TSMC, UMC, Chartered, SMI I suppose you need to evaluate your project needs. T is expensive, but service is very good
  12. cougar168

    How to fix LVS error warning!

    it might be a bug as well what version of IC and ASSURA do you use?
  13. cougar168

    Help Regarding DRC files

    Yes, they are. You need to sign NDA with foundry companies to get them
  14. cougar168

    Need help on AD/DA with digital CMOS process

    What is the spec of your AD/DA converter?
  15. cougar168

    about assura DFII DRC

    You need to setup the variable correctly first. what is your IC version and ASSURA version?
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