CE + CE does not equal CE
Michael Sundstrom
NOKIA
TCC Dallas / EMC
ofc: (972) 374-1462
cell: (817) 917-5021
amateur call: KB5UKT
From: [email protected]
mailto:[email protected]]On Behalf Of ext Richards, Carl
Sent: 19 October, 2004 10:57
To: [email protected]; [email protected]
Cc: [email protected]
Subject: RE: EMC testing
Raymond,
I think you need to decide how important it is and have this discussion with
your management rather than asking us how important your business is.
To me it's it's clear cut, you *intend* to sell them to connect together, you
have no combined official EMC data for the pair, although you have official
data for each item. If it were me I'd pop along to a lab for some private and
cheaper EMC testing for both units connected together, a quick and dirty check
to make sure that singularly the units EMC performance aligns with previous
results and then ask for testing without a report but with results if cost is
the gating factor; all being well pop the results in the folder and sign the
product release docs and DoC, and go home for a well deserved cold beer.
Next product change, budget the Regulatory costs for both units.
Carl Richards,
Regulatory Compliance Manager,
Aspect Communications
E-mail [email protected]
Tel +44 (0)208 589 1461
Fax +44 (0)870 460 1950
From: [email protected]
mailto:[email protected]]On Behalf Of
[email protected]
Sent: 19 October 2004 16:40
To: [email protected]
Cc: [email protected]
Subject: Re: EMC testing
Dear Josh,
I believe my case exists many years but probably I do not know the solution.
For example, when you buy a AV centre amplifier, you will never use it on its
own but connect it with lots of peripherals: DVD player, receiver, VCR, TV,
etc., I hardly believe the amplifier is tested with all peripherals during
EMC testing. Similar example is computer. Can someone shed some light on the
existing solution to similar type of products in reality.
Regards,
Raymond Li
OSA Ltd.
Josh Wiseman <[email protected]>
19/10/04 11:13 PM
Please respond to
[email protected]
To
[email protected]
cc
[email protected]
Subject
Re: EMC testing
Raymond,
You are rolling the dice in this case. If the two units are not tested
together you can not be sure that the 2 units do not interact with each
other, especially with the cable between them.
Josh
[email protected] wrote:
>
> Dear All,
>
> We have a product (portable DVD video player with 8" LCD display + 8"
> LCD display) and they have got EMC compliant report separately and sold
> separately before. If we sell them together as one unit, do we need to
> test them all together again. The connection between two sets is via a
> cable from output port of DVD player to input port of the display. They
> are powered by batteries, AC-DC adapter or car adapter. Your advice is
> appreciated.
>
> Thanks and regards,
> *
> *Raymond Li
>
> OSA Ltd.
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