[RFI] RFI Emissions Standards for LED Drivers / Switching PS.

David Eckhardt davearea51a at gmail.com
Mon Dec 14 16:25:23 EST 2020


Yes, Dan:  "Standards without enforcement is rubbish".  FCC really does not
care anymore as the organization consists of just a bunch of lawyers who
wouldn't know RFI/EMC from toilet paper.  OET has been gutted.  Read the
last long paragraph on my QRZ page.  it's all real and from personal
experience of 40 some years as an EMC/RFI engineer.

Dave - WØLEV

On Mon, Dec 14, 2020 at 6:58 PM Dan K2YWE <dan.k2ywe at gmail.com> wrote:

> "Taxation without representation is tyranny."
> "Standards without enforcement is rubbish"
> 73, Dan
>
>
> On Mon, Dec 14, 2020 at 1:47 PM David Eckhardt <davearea51a at gmail.com>
> wrote:
>
>> 55015 addresses specifically lighting.
>>
>> 55032 replaces several older standards which include 55022 which
>> specifically addresses ITE (information technology equipment as in PC,
>> laptops, and......).
>>
>> Class B:  Home and small office applications.
>> Class A:  Industrial and largeinstallations.
>>
>> Dave - WØLEV
>>
>> On Mon, Dec 14, 2020 at 5:41 PM Bob Turner <n2scj-lists at outlook.com>
>> wrote:
>>
>> > Today I noticed an EMI standard of EN55015 on a power supply.  Does this
>> > standard mean much?  Are there others to look for when selecting a
>> > switching power supply?  I am using a doorbell transformer for some very
>> > low level LED lighting, but it gets warm and if I had a higher current
>> need
>> > it would be too small.
>> >
>> > This is one example of EMC Emission standards being claimed.
>> > https://www.trcelectronics.com/ecomm/pdf/rs15.pdf.  They list: EN55002
>> > (CISPR32) Class B and a few other standards.   Class B caught my eye, I
>> > think that is what home computers need to be while servers, generally
>> > destined for data centers can be class A.  Are any standards worth
>> paying
>> > attention to when purchasing an LED Driver power supply?
>> >
>> > 7 3  Bob
>> > N2SCJ
>> > _______________________________________________
>> > RFI mailing list
>> > RFI at contesting.com
>> > http://lists.contesting.com/mailman/listinfo/rfi
>> >
>>
>>
>> --
>> *Dave - WØLEV*
>> *Just Let Darwin Work*
>> _______________________________________________
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>> http://lists.contesting.com/mailman/listinfo/rfi
>>
>

-- 
*Dave - WØLEV*
*Just Let Darwin Work*


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