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Recent content by zhanghe

  1. Z

    bandgap voltage reference design

    Re: bandgap reference design yes, but why we can not change the + and - direction?
  2. Z

    bandgap voltage reference design

    Re: bandgap reference design but how does actually the feedback work and why cannot change ? can you give some detail explaination. thx a lot
  3. Z

    bandgap voltage reference design

    Re: bandgap reference design thanks , but why it is like that? i mean can the + and - terminal change place?
  4. Z

    bandgap voltage reference design

    bandgap reference design hi, in the bandgap reference design, we usually need to use a op amp, but how to connect the op amp + and - input so that the circuit can work properly? why? thx
  5. Z

    active layer versus select layer

    Anyone can tell the difference between them in the layout ?
  6. Z

    What is the difference between lateral bjt and vertical bjt?

    what is the difference between lateral bjt and vertical bjt? Anyone can help, thanks.
  7. Z

    Looking for information about DTMOST

    HI, Anyone know any article or information about dtmost(dynamic-threshold MOS transistors)? thanks
  8. Z

    about cmos technology

    Hi, i am new in ic design, quessions maybe simple, do not laugh me. haha can anyone tell me what is AMS 0.6 nwell cmos technology? i mean why "nwell"? and what is "AMS"? And also sometimes i saw "BICMOS", What is it? what is the difference between"cmos technology and "bicmos"? Hope someone...

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