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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: 24,682
    pranam77
    29th August 2009, 08:22 Go to last post

  1. Earth leakage Detection "positive" as well as "Negative" >30mA.

    Started by JohnDave, 14th January 2020 04:58
    1 Attachment(s)
    • Replies: 5
    • Views: 451
    JohnDave
    18th January 2020, 04:38 Go to last post

  2. Need sources for Product Enclosures

    Started by Fran_3, 16th January 2020 01:42
    • Replies: 2
    • Views: 223
    Fran_3
    16th January 2020, 15:05 Go to last post

  3. Adding CCFL light or LED backlight to a 6 digit/7 segment LCD display

    Started by hafrse, 12th January 2020 15:47
    2 Attachment(s)
    • Replies: 3
    • Views: 309
    hafrse
    13th January 2020, 10:23 Go to last post

  4. ATEX Forum Discussion

    Started by riscy00, 23rd December 2019 02:39
    • Replies: 1
    • Views: 910
    wwfeldman
    25th December 2019, 16:41 Go to last post

  5. Conducted immunity Peak Conservation

    Started by Leena_s, 16th December 2019 21:42
    • Replies: 0
    • Views: 457
    Leena_s
    16th December 2019, 21:42 Go to last post

  6. PROCESSOR IS REBOOTING when hotplugging usb console to processor's Board through UART

    Started by sushl, 13th December 2019 07:52
    • Replies: 4
    • Views: 545
    sushl
    13th December 2019, 12:00 Go to last post

  7. Need to remove the FFC Connector..Help me..

    Started by seneda, 24th September 2019 10:34
    • Replies: 2
    • Views: 2,077
    seneda
    3rd December 2019, 11:16 Go to last post

  8. output changes when I touch the enclosure

    Started by hemnath, 26th November 2019 06:48
    • Replies: 2
    • Views: 1,212
    dick_freebird
    26th November 2019, 18:47 Go to last post

  9. Connecting RS232 out to raspberry pi through cp210x.

    Started by pravin b, 26th November 2019 12:07
    • Replies: 6
    • Views: 737
    pravin b
    26th November 2019, 17:02 Go to last post

  10. TVS Diodes power ratings for IEC 61000-4-5

    Started by MEHRANPOUR, 15th November 2019 16:39
    • Replies: 3
    • Views: 1,414
    FvM
    16th November 2019, 13:42 Go to last post

  11. EPLAN: How to represent bundled connections of a cable?

    Started by andre_teprom, 3rd November 2019 18:03
    3 Attachment(s)
    • Replies: 0
    • Views: 1,473
    andre_teprom
    3rd November 2019, 18:03 Go to last post

  12. Understanding vibration resistance specification impact on HW design

    Started by ku637, 29th September 2019 16:51
    • Replies: 3
    • Views: 2,453
    Kiriakos-GR
    29th October 2019, 13:31 Go to last post

  13. High Speed Motion Sensor of Object

    Started by sjarnac, 6th October 2019 03:01
    1 Attachment(s)
    • Replies: 4
    • Views: 3,564
    sjarnac
    6th October 2019, 15:47 Go to last post

  14. Lumens/Watt in LEDs when forward current is very low.?

    Started by treez, 5th October 2019 11:38
    • Replies: 3
    • Views: 1,851
    betwixt
    5th October 2019, 14:09 Go to last post

  15. Need cheap CSI to USB bridge (IC for USB webcam)

    Started by ec_nisarg, 5th October 2019 07:01
    • Replies: 0
    • Views: 1,572
    ec_nisarg
    5th October 2019, 07:01 Go to last post

  16. Certificate Standard IPC

    Started by hosseinhomerehe, 18th September 2019 12:59
    • Replies: 1
    • Views: 2,007
    marce
    27th September 2019, 11:00 Go to last post

  17. Protection circuit help

    Started by hemnath, 18th September 2019 12:18
    1 Attachment(s)
    • Replies: 8
    • Views: 2,457
    schmitt trigger
    20th September 2019, 06:48 Go to last post

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

    Started by treez, 14th September 2019 17:44
    • Replies: 4
    • Views: 2,187
    Easy peasy
    15th September 2019, 07:39 Go to last post

  19. Closed: 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: 3,398
    mbyka
    5th September 2019, 10:20 Go to last post

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

    Started by sakibnaz, 4th September 2019 18:14
    • Replies: 0
    • Views: 1,619
    sakibnaz
    4th September 2019, 18:14 Go to last post

  21. 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: 3,401
    marce
    22nd August 2019, 16:58 Go to last post

  22. 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: 4,058
    marce
    14th August 2019, 13:46 Go to last post

  23. Estimated cost of high volume PCB assembly

    Started by question_asker, 7th August 2019 12:44
    • Replies: 1
    • Views: 1,916
    barry
    7th August 2019, 16:39 Go to last post

  24. USB2514B usb hub controller schematic basic questions

    Started by TnF, 27th July 2019 20:09
    • Replies: 5
    • Views: 3,477
    FvM
    30th July 2019, 12:43 Go to last post

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

    Started by TnF, 25th July 2019 21:36
    • Replies: 12
    • Views: 3,359
    TnF
    27th July 2019, 18:13 Go to last post

  26. How to use TL431 Model in LTSPICE

    Started by satiz, 26th July 2019 07:02
    • Replies: 2
    • Views: 2,135
    andre_teprom
    26th July 2019, 10:39 Go to last post

  27. Closed: 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: 3,644
    FvM
    17th July 2019, 11:24 Go to last post

  28. Closed: Drive P Channel Mosfet Using 8051

    Started by gauravkothari23, 2nd July 2019 11:48
    1 Attachment(s)
    • Replies: 1
    • Views: 1,864
    KlausST
    2nd July 2019, 12:27 Go to last post

  29. Closed: How would i decrease the clock frequency

    Started by wylll, 18th June 2019 14:10
    • Replies: 8
    • Views: 3,096
    KlausST
    19th June 2019, 09:52 Go to last post

  30. Closed: USB eye, attenuation s-param etc?

    Started by nicklas_a74, 13th June 2019 07:55
    • Replies: 0
    • Views: 1,941
    nicklas_a74
    13th June 2019, 07:55 Go to last post
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