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  1. C

    About TSMC 0.18um device model

    where did you find the models?
  2. C

    online analog circuit design study?

    go to berkeley's websit.
  3. C

    How do you simulate the start up circuit for a bandgap?

    Bandgap Design I think the simulate of startup is not nessary.for you can judge it by hand.I think the stable of the circuit is important.
  4. C

    Help me with biasing of npn push-poll stage

    push-poll stage I think the structure in opamp will be useful.
  5. C

    How to simulate noise in bandgap voltage reference?

    I think it's the model's problem.
  6. C

    IC Application Engineer vs IC Design Engineer

    I think application designer will get more marcket.
  7. C

    getting -5V from 5V supply to drive opamp?

    you can use a dc-dc to stable the negative power supply.
  8. C

    Guess what this circuit is for !!! :)

    it's a power circuit.
  9. C

    i am beginner,how to study analog circuit design?

    we all suggest you study from razavi's book.
  10. C

    What are the formats of analog design documents?

    what's design document? I think the most important is the thinking of circuit.
  11. C

    What is the purpose of a power on reset circuit

    Power on Reset I think it is made with TTL circuits.When a signal come ,the circuit operate.
  12. C

    Explanation of MOS basic concepts

    basics of mos if you want to know the deep of MOS,you can read razavi's book.
  13. C

    a 150W switchmode power supply with 555 timer

    ka3525 schematic i think we should improve effcient.
  14. C

    How to simulate a circuit using Spectre?

    Using Spectre I think Spectre &SpectreS is the same.only the model type are difference.
  15. C

    Bandgap with a supply domain between 2.. 40V

    can you upload the BICMOS models.
  16. C

    Who can upload a 1.2V power supply bandgap paper for me?

    look up at IEEE.you can find it.
  17. C

    What type of opamp is more suitable for achieving high PSSR?

    PSSR someone said using a wide band &high gain op.
  18. C

    Question about Emitter follower

    emitter follower has the wide band &low output resistance.
  19. C

    How to caculate the voltage in picture?

    I think it=VR1+Vbe1+VR4.I will not think of the situation of the transistors.
  20. C

    How to design a PWM circuit in CMOS circuit?

    cmos pwm comparator did you design a IC PWM or use IC to realise?

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