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Recent content by mitgrace

  1. M

    Anyone on variation analysis by using hspice?

    Re: hspice dcmatch Dear Sir : How do you know the number : 4e-9 in Vth0 formula ? Thanks a lot. mitgrace
  2. M

    How "tie-hi" "tie-low" cells work on ESD problem?

    Tie-hi Tie-low cell Do u have the size ?
  3. M

    sigma detla - cap value

    Dear All : How do u know the input capacitor value in Sigma delta dac or adc . SCF circuit ? If the OSR is different, how do you select it ?
  4. M

    Netlisting Procedure for Cadence IC5

    Dear All : If I want to decrypt the skill, How do I do that ? Thanks
  5. M

    an integrated internal oscillator for USB2.0

    Dear All: Now we have see more USB 2.0 FS application , Like silicon Lab have integrated oscillator in Chip , Any ideal for this ? Thanks
  6. M

    how to calculate USB2.0 jitter budget ?

    USB2.0 jitter budget ? Dear All: Do u knwo how to caculate the jitter budget of USB2.0 phy or others serial-link system ? Any document ? Thanks
  7. M

    No crystal in USB application

    Dear All: Does anyone know how to design the circuit , Remove the crystal , intenal 12MHz oscillator ? any experience or document ? Thanks
  8. M

    How to calculate transient response of LDO ?

    Dear All: Now I study some transeint response of LDO ligh loading to heavy loading oe heavy loading to light loading ? I want to calculate it , But I have no sense about this. Does any one have any experience about this or any document ? Thanks
  9. M

    A compensation question of CCM and DCM in DC/DC strcuture ?

    Dear All: I have some questions about DCM and CCM in DC/DC converter. Why DCM mode does not need compensation ? Does anyone know the reason ? Thanks
  10. M

    How to improve PSRR of LDO design ?

    Dear All : Does anyone have any experience of high PSRR of LDO design ? Any comments or reference document ? Thanks
  11. M

    help needed with Sens Function of spectre

    Sens Function of spectre Dear All : Does anyone know the sens function of spectre ? Thanks
  12. M

    Constant on time / DC-DC (PFM method)

    Dear All: Does anyone have work on contant on time method apply in DC/DC structure ? Any document or thesis ? Thanks
  13. M

    Wireless charger - opinions on the products

    wireless charger Dear all: Does anyone have relation experience or document **broken link removed** This website is some power wirelss charge product . Thanks
  14. M

    TCXO information or document for design needed

    TCXO Issue ? Dear All : Does any have any TXCO information or document for design ? Now we will do this product, we see some paprameter like afa/belta/gramma ,what is mean ? in the chip design , It have AFC control loop,how do it work ? Any experience or document , please sharing . Thanks
  15. M

    Buck or Boost Behaviro model

    Dear All : I found some suggestion books from web-site . Does anyone have the ebook: "Fundamentals Of Power Electronics With Matlab" Thanks
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