I agree in all regards.

> From: "Ron Pickard" <[email protected]>
> Reply-To: "Ron Pickard" <[email protected]>
> Date: Fri, 25 Apr 2003 11:03:32 -0700
> To: [email protected]
> Cc: [email protected]
> Subject: RE: Check list for PCB Layout
> 
> 
> 
> Hi Thomas,
> 
> CHECKLIST
> A checklist that you are requesting may be difficult to come by. I say this
> because most, if not
> all, people who create these types of documents do so from a base of personal
> experience and
> knowledge whereby they are unwilling to share. There is also the probably
that
> these documents may
> be proprietary to the creator's employer. And, as I do not know your level of
> expertise in this
> area, basic PWB layout rules knowledge regarding EMC and SI may be learned
> from the many very good
> books and seminars on this subject as another member has already pointed out.
> So, I personally
> suggest that you either create your own checklist that would be tailored to
> your, and your
> employer's, needs and requirements or hire a consultant that's knowledgeable
> in this area to assist
> you.
> 
> CLOSE-FIELD PROBES
> Unfortunately, there's no predictable correlation of near-field measurement
> results to the far-field
> measurement results that would be obtained from an OATS where verification is
> formalized. Although
> close-field probes are useful for tracking down emission sources, they cannot
> and should not be used
> for any kind of qualitative verification.
> 
> I hope this helps. Comments anyone?
> 
> Best regards,
> 
> Ron Pickard
> [email protected]
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Friday, April 25, 2003 6:21 AM
> To: [email protected]
> Subject: Check list for PCB Layout
> 
> Hi everybody,
> 
> I would like to create a check list in order to help designers and PCB
routers
> of my company to
> improve their design / EMI and SI. Where can I find documentations (PDF,
> links...) with basics PCB
> rules regarding EMI and SI ??
> 
> Witch kind of tests can I set up to verify radiations only with two close
> field probes ? Is there
> some referencies (standards, norms...) for close fields levels ? Can I
measure
> them??
> 
> Thanks.
> 
> Thomas K.
> Genius Institute
> 
> 
> 
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