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Forum: Professional Hardware and Electronics Design

EMC and Electrical Safety standards. Quality assurance labels (CE). Others Standards and whatever related with professional hardware design.

  1. Sticky Thread Sticky: READ BEFORE YOU POST - do not post e-books, ieee papers here

    Started by pranam77, 29th August 2009 08:22
    • Replies: 0
    • Views: 22,215
    pranam77
    29th August 2009, 08:22 Go to last post

  1. To which standards must we conform for our electronics/electrical product?

    Started by treez, Yesterday 17:44
    • Replies: 4
    • Views: 190
    Easy peasy
    Today, 07:39 Go to last post

  2. Can I use a digital potentiometer replace the potentiometer in a buck converter board

    Started by laoadam, 24th April 2019 04:47
    • Replies: 5
    • Views: 1,457
    mbyka
    5th September 2019, 10:20 Go to last post

  3. Regarding Certification Process (FCC, CE and other)

    Started by sakibnaz, 4th September 2019 18:14
    • Replies: 0
    • Views: 147
    sakibnaz
    4th September 2019, 18:14 Go to last post

  4. Passing radiated EMC with an SMPS involves an element of luck...how much agree?

    Started by treez, 17th August 2019 23:44
    • Replies: 4
    • Views: 1,607
    marce
    22nd August 2019, 16:58 Go to last post

  5. First attempt at USB differential pair routing on a 2 layer board. Acceptable or not?

    Started by TnF, 30th July 2019 01:22
    8 Attachment(s)
    • Replies: 10
    • Views: 1,458
    marce
    14th August 2019, 13:46 Go to last post

  6. Estimated cost of high volume PCB assembly

    Started by question_asker, 7th August 2019 12:44
    • Replies: 1
    • Views: 387
    barry
    7th August 2019, 16:39 Go to last post

  7. USB2514B usb hub controller schematic basic questions

    Started by TnF, 27th July 2019 20:09
    • Replies: 5
    • Views: 712
    FvM
    30th July 2019, 12:43 Go to last post

  8. EMI on data lines causing USB hub controller IC problems?

    Started by TnF, 25th July 2019 21:36
    • Replies: 12
    • Views: 1,040
    TnF
    27th July 2019, 18:13 Go to last post

  9. How to use TL431 Model in LTSPICE

    Started by satiz, 26th July 2019 07:02
    • Replies: 2
    • Views: 424
    andre_teprom
    26th July 2019, 10:39 Go to last post

  10. Power Supply for M95 GSM module to be compatible with ATEX limitations.

    Started by hm_fa_da, 3rd July 2019 13:51
    2 Attachment(s)
    • Replies: 7
    • Views: 1,697
    FvM
    17th July 2019, 11:24 Go to last post

  11. Drive P Channel Mosfet Using 8051

    Started by gauravkothari23, 2nd July 2019 11:48
    1 Attachment(s)
    • Replies: 1
    • Views: 393
    KlausST
    2nd July 2019, 12:27 Go to last post

  12. How would i decrease the clock frequency

    Started by wylll, 18th June 2019 14:10
    • Replies: 8
    • Views: 1,147
    KlausST
    19th June 2019, 09:52 Go to last post

  13. USB eye, attenuation s-param etc?

    Started by nicklas_a74, 13th June 2019 07:55
    • Replies: 0
    • Views: 479
    nicklas_a74
    13th June 2019, 07:55 Go to last post

  14. Ethernet vs USB discussion and/or comparison

    Started by joniengr, 10th June 2019 12:29
    • Replies: 4
    • Views: 718
    kripacharya
    12th June 2019, 12:52 Go to last post

  15. [SOLVED] PDF417 barcode Scanner hardware module

    Started by HasHx, 5th May 2019 15:23
    1 Attachment(s)
    • Replies: 1
    • Views: 2,208
    HasHx
    15th May 2019, 11:46 Go to last post

  16. Question about appliance power rating and bursts

    Started by gary_feesher, 3rd May 2019 10:51
    2 Attachment(s)
    • Replies: 4
    • Views: 2,113
    summitville
    6th May 2019, 18:22 Go to last post

  17. MCP4261 need manually power off from time to time or not working well

    Started by laoadam, 23rd March 2019 16:56
    1 Attachment(s)
    • Replies: 14
    • Views: 4,778
    Aussie Susan
    29th April 2019, 00:22 Go to last post

  18. Multiple ADC inputs connected together

    Started by ku637, 24th April 2019 08:39
    • Replies: 4
    • Views: 722
    betwixt
    24th April 2019, 11:40 Go to last post

  19. USB-C connector: Can I use it just as a connector for another purpose?

    Started by userx2, 8th April 2019 22:59
    • Replies: 10
    • Views: 1,358
    cyberrat
    11th April 2019, 19:00 Go to last post

  20. [SOLVED] Need help stepper motor control with DRV4832

    Started by Ranbeer Singh, 2nd April 2019 14:15
    • Replies: 5
    • Views: 1,201
    KlausST
    2nd April 2019, 21:22 Go to last post

  21. Reverse ESD Discharge control

    Started by lightning_bolt, 28th March 2019 23:05
    • Replies: 4
    • Views: 2,173
    marce
    1st April 2019, 15:50 Go to last post

  22. Wire transmission(15 mtrs) to send data & control signals for cascaded shift register

    Started by Prakash12345, 28th March 2019 05:17
    1 Attachment(s)
    • Replies: 8
    • Views: 1,225
    Prakash12345
    29th March 2019, 14:49 Go to last post

  23. DDR3 hardware circuit design

    Started by samym, 23rd March 2019 23:57
    • Replies: 4
    • Views: 1,898
    malli_1729
    29th March 2019, 05:41 Go to last post

  24. Problems with Power Supply using LT8609EMSE#PBF

    Started by Rikr09, 22nd March 2019 22:26
    3 Attachment(s)
    • Replies: 10
    • Views: 1,348
    KlausST
    27th March 2019, 14:00 Go to last post

  25. Closed: Mains Wiring Colour Code

    Started by coates, 26th February 2019 19:14
    1 Attachment(s)
    • Replies: 8
    • Views: 2,736
    cyberrat
    15th March 2019, 08:04 Go to last post

  26. Closed: Detect Reverse Polarity of Coil

    Started by dsanthosh67, 11th March 2019 13:27
    • Replies: 3
    • Views: 1,240
    BradtheRad
    11th March 2019, 23:03 Go to last post

  27. Closed: Semiconductor Industry future timeline for cmos 5nm

    Started by Puppet123, 7th March 2019 04:14
    • Replies: 2
    • Views: 920
    ThisIsNotSam
    7th March 2019, 15:26 Go to last post

  28. Closed: Need help to identify this board or find a replacement

    Started by steve_rb, 22nd February 2019 19:14
    1 Attachment(s)
    • Replies: 15
    • Views: 2,721
    FvM
    4th March 2019, 22:20 Go to last post

  29. Closed: ATEX related current limiting calculation question

    Started by hm_fa_da, 3rd March 2019 17:08
    1 Attachment(s)
    • Replies: 2
    • Views: 757
    hm_fa_da
    3rd March 2019, 22:15 Go to last post

  30. Closed: Safety of Electrical Equipment

    Started by coates, 28th February 2019 16:16
    • Replies: 9
    • Views: 2,774
    KlausST
    1st March 2019, 13:50 Go to last post
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