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Recent content by skowe26

  1. S

    ESD testing on multiple power pins

    Hi, For ICs having multiple power pins (say 1 analog and 1 power ground), how is the ESD setup for "pin to gnd" test? Do they need to test it separately or Agnd & Pgnd need to be shorted in the test? Thanks!
  2. S

    how to understand the relation of these transistors?

    Hi, you can start by calculating the current through R13.
  3. S

    CMOS Bootstrapped Current Reference

    Hi. you can use a mos transistor in linear operation to replace a resistor.
  4. S

    Issue with hspice simulation - instance width or length does not fit into the wmax/wm

    Hi, you can look into the process specification or design rules docs. Sometimes, you can also find it in the model file list.
  5. S

    Issue with hspice simulation - instance width or length does not fit into the wmax/wm

    Hi, have you checked the length and width of the phv device is within the min and max allowed by the process?
  6. S

    Switching regulator load transient

    Hi, can you show your test setup? Does the controller has soft-start/soft-stop function?
  7. S

    current source circuit working in all corners

    Hi, Have you considered trimming your current reference?
  8. S

    [SOLVED] how to implement xor at transistor level?

    Hi, you can do it by using 2 inverters, 2 and gates and 1 or gate.
  9. S

    Bandgap Reference Circuit Analysis!! HELP!!

    Hi, you should calculate first the current flowing thru R3 to get vbias.
  10. S

    Problem regarding voltage regulator.

    Hi, For a 12v to 5v setup, what is the duty cycle that you get? What kind of inductor and it's rating you use?
  11. S

    analogy design adjust lengths???

    Yes, you can and your chosen W and L should be within the process limits.
  12. S

    Cell Balancing for Lithium Ion Batteries

    Hi Guys, I will be doing a project about Cell Balancing for Lithium Ion Batteries. Does anyone of you have made this kind of IC before? Can you share some papers or book references about Cell Balancing. I have a few notes but I wanted some detailed references. Thanks.
  13. S

    How to convert a pulse to fully positive.

    Hi, Your V1 voltage should be 0V. Or just connect the negative supply of the opamp to gnd.
  14. S

    Help with current mirror simulation

    Hi, I am not sure if your M=0 causes the problem. Try replacing it with M=1. Doubling the size makes M=2. Hope this helps.
  15. S

    simple FET Question- help needed

    FET Question Hi. Thats because of the body diode as mentioned by Checkmate.
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