[PSES] FCC 15.203 Examples

[Schroeder, Ian]

Hello-
I am aware that the FCC requires use of a unique connector for consumer 
products with detachable antennas and I have read their guidance on the matter.
However I still see consumer products on the market with RP-SMA connectors and 
wonder how that is possible since that connector style is considered 
commercially available per the FCC's guidance.

I am curious if anyone would be willing to share examples of unique connectors 
they have successfully taken through recent FCC Certification.
Or provide any other knowledge on use of commercially available "unique-ish" 
connectors like RP-SMA.

Thanks

Ian Schroeder

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Re: [PSES] CISPR 25 Limits for conducted disturbances - guidance for selecting emissions class

[James Pawson (U3C)]

Thanks for the reply Matthew, it ties in very much with some responses I got on 
LinkedIn to this query

 

https://www.linkedin.com/feed/update/urn:li:activity:6631477154083409920/

 

Primarily that:

*   vehicle manufacturers have specific requirements for anything that gets 
put into their products.
*   No specific guidance for aftermarket components
*   Need to synthesize these requirements from OEM specifications.

 

All the best

James

 

 

 

James Pawson

EMC Problem Solver

 

Unit 3 Compliance

Design for EMC / Pre Compliance / Problem Solving / EMC Testing / Consultancy / 
Environmental & Vibration

www.unit3compliance.co.uk   -- 07811 139957

Opening Hours: Tuesday to Friday, 0830 to 1800. Closed Monday.

 

From: Matthew Wilson | GBE  
Sent: 07 February 2020 21:24
To: James Pawson (U3C) ; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] CISPR 25 Limits for conducted disturbances - guidance for 
selecting emissions class

 

Maybe some document like this from Ford would help?

 

https://www.elect-spec.com/download/EMC_CS_2009rev1.pdf

 

Similar from Jaguar Land Rover?

 

http://emc.jaguarlandrover.com.edgesuite.net/docs/download/JLR-EMC-CS_v1.0_Amendment_4.pdf

 

Have a look for “Automotive OEM Specifications” on your chosen search engine.

 

HTH.

 

Matthew Wilson,

GB Electronics (UK) Ltd.

 









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From: James Pawson (U3C) mailto:ja...@unit3compliance.co.uk> > 
Sent: 05 February 2020 12:09
To: EMC-PSTC@LISTSERV.IEEE.ORG  
Subject: [PSES] CISPR 25 Limits for conducted disturbances - guidance for 
selecting emissions class

 

Hello experts,

 

Can anyone point me towards any guidance for selecting the appropriate CISPR 25 
emissions Class (1-5) based on installation of equipment within a vehicle? The 
standard states “The level class to be used (as a function of the frequency 
band) shall be agreed upon between the vehicle manufacturer and the component 
supplier.”

 

I’m assuming that factors like proximity to radio antenna and length of cables 
will make a difference but can find no guidance after entering a variety of 
search terms.

 

This query is related to aftermarket automotive accessories covered under EN 
50498 which doesn’t specify limits for conducted emissions. 

 

I would be interested to hear your thoughts.

 

Thanks and all the best

James

 

James Pawson

EMC Problem Solver

 

Unit 3 Compliance

Design for EMC / Pre Compliance / Problem Solving / EMC Testing / Consultancy / 
Environmental & Vibration

www.unit3compliance.co.uk 

  -- 07811 139957

Opening Hours: Tuesday to Friday, 0830 to 1800. Closed Monday.

 

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This message is from the IEEE Product Safety Engineering Society emc-pstc 
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mailto:emc-p...@ieee.org> >

All emc-pstc postings are archived and searchable on the web at: 
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Attachments are not permitted but the IEEE PSES Online Communities site at 
http://product-compliance.oc.ieee.org/ 

  can be used for graphics (in well-used formats), large files, etc.

Website: http://www.ieee-pses.org/