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Recent content by melodyseu

  1. M

    Need help about Hspice simulation!!!

    Thanks for your reply. I want to do the transient simulation with sweeping the variable in each monte analysis sample, I don't want to depart the transient and sweeping simulation. So how should I do ? Would you pls tell me in detail on how to stucture it using .alter option? Thank you.
  2. M

    Need help about Hspice simulation!!!

    Hi all I have some question about hspice simulation. I try to do a transient simulation with sweeping a variable as the sentence below: .tran 0.1n 100n sweep vin 1 5 0.5 The question is that I also want to do the monte carlo analysis simultaneously, so how to stucture the netlist when I need...
  3. M

    How to define the resolution of a latch?

    Hi all, I don't know how to define the resolution of a Latch. Dose it define from Vswing/A, A is the latch dc gain or some way else? Thanks very much:D
  4. M

    hysteresis of latch comparator?

    latching comparator Thank you very much for your kind suggestions But is there anyway to add hysteresis to the latch stage, for example the latch in the figure below?
  5. M

    low offset?

    Big input transistor Try auto zero or chopper technique regards
  6. M

    hysteresis of latch comparator?

    comparator latch Hi everybody How to realize hysteresis to a latch comparator? Any good methord or any good paper are welcome Thanks very much!
  7. M

    How to simulate the gain of a dynamic comparator?

    Hi, guys For the comparator with a dynamic latch, how to simulate it's gain? Thanks very much!
  8. M

    auto zero of latch comparator?

    auto zero comparator Hi, everybody. How to cancellation offset voltage of latch comparator by auto zeroing? Is there any good papers discuss about it?
  9. M

    LDO Fast ttransient response

    Try some Slew rate enhancement circuit to improve the OPA's slew rate performance
  10. M

    voltage propotion to temperature?

    Help! How to generate a voltage propotion to temperature except using bandgap in a easy way?
  11. M

    Is there any classic book about Power management?

    I'm going to design a Power management system, but I have no idea about it yet. Could anyone recomment some foundamental and classic books to read? Thanks a lot.
  12. M

    How to get the transfunction using matlab?

    to cedance Thanks a lot, I'll see to the book.
  13. M

    How to get the transfunction using matlab?

    Help! How to get the transfunction expression if I give the small signal equivalent circuit in matlab? Thanks.
  14. M

    How decrease bandgap reference's TC!!!

    I think it is realy difficult to get a TC below 10ppm using first order compensation. First order compensation has a theoratical limit and the commonly value is 10~20ppm if well compensated. I think you can pay attention to the TC of the resistor in your circuit, maybe helpful.
  15. M

    How to simulate noise in bandgap voltage reference?

    I'v tried the methord field_catcher told, and it works well. Thank all of you

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