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Recent content by wwwkhunchan

  1. W

    What is the best assembler to learn 8086 assembly ?

    Re: 8086 for beginner Hi everybody, EMU8086 v. 4.08 registration is needed.... I am using EMU8086 ver 4.08 trial version, any one the registration code of this software? please help me!!!!
  2. W

    Asynchronous and Synchronous electrical machine

    Hi guys, Please guide and give me some documents relate with special electrical machines, and electrical machines. What is the different characteristique of Asynchronous and Synchronous machines? Thank in advance, khunchan
  3. W

    How to filter out un wanted noise?

    Hi, What kind of noise that you want to filter? It is more convenient if you can post your circuit. If you are facing with EMI noise, you should add a low pass EMI filter at the input terminal.
  4. W

    suitable IC for to provide PWM

    Hello guy, I think you can try PWM control chip "SG 3524"
  5. W

    My passive EMI filter design can't meet teh CISPR requirement

    Hello everybody, Right now I am working with EMI Filters, and I'v found any problems about the passive EMI filter at high-frequency preformance. My design can't meet the CISPR requirement at [15 MHz to 30 MHz]. Please give me the guides for this trouble. Anyway, if someone have some ideas...
  6. W

    Looking for diagram of DC to AC converter

    Re: dc to ac convertor You can try this: h**p://circuit-electronic.blogspot.com/search/label/Inverter :idea:
  7. W

    ac/dc converter power supply

    Thank for ur all usefull advices. right now I can do it, because I need only a small current < 1A. Regards, Khunchan
  8. W

    Can I get 12V DC if I rectify 230V mains?

    Re: rectifier Yeah I am looking for the reliable schema of this power supply, 230vac to 5vdc.
  9. W

    ac/dc converter power supply

    dc power supply in cambodia Dear everybody, I need schema of ac/dc power supply with 220 vac input and 5 vdc output without using any transformer. I wait for your help and replies. Thank, khunchan
  10. W

    Input Impedance measurement

    I dont mention this schema for simulation, but I would know the experiment methode to measure input imperdance in frequency range [150 kHz to 30 MHz]. Sorry, if my previous post make you confuse.
  11. W

    Input Impedance measurement

    Hi everybody, I have attached an induction motor drive and connted with a 3-phase ac motor, I would measure the input impedance of this system (at L,N part). How can I do? anybody have paper related to this issue? I am looking forward for you help, Happy new year and thank in advance, Chan
  12. W

    Which Lab in Asia offers EMC Test for CE Marking?

    etdc emc testing There are alot of conditions to setup an EMC lab suck as: Grounding system, Chamber equipments, and EMC measurements instruments...
  13. W

    How to create a simple EMC filtering module for DC motorized bell?

    Re: EMC U can design an EMI filter using Lowpass filter with chock inductors and 47nF capcitors. For more detail your can find out with this link:
  14. W

    Need information about kalman filter

    Re: kalman filter Hi, I am also not good in Kalman filter but I ever had class with filter desing. So I have some reference documents to introduce you and i think that it could be usefull for you. Regards,
  15. W

    What is the best book about analogic filters?

    Re: Analogic Filters Electronic Filter Design Handbook, 2nd Edition, Arthur B. Williams Analog and Digital Filter Design, 2nd Edition, Steve Winder Active and Passive Analoge Filter Design , Huelsman
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