Max,
It sounds as though you don't have any expertise in-house, so I
would recommend getting a consultant into the design phase - as
early as possible. Alot will depend upon the product though. The
higher the frequency - the tougher the problems, pcb routing is
critical. Do you have to meet Class A or Class B? Is the enclosure
metal, is it already designed, .... I would suggest that the
consultant work directly with the design engineers during schematic
review, a mechanical review, and largely during pcb layout. The
more you do then, the less you have do worry about later, you
may find that you don't even need the consultant through the
testing and certification phase. But if you wait UNTIL then,
you may wind up losing alot of sleep.
You don't say where you're located, so I can't recommend anyone
specific, but in my experience - yes - there are excellent consultants
available - worldwide (but also, buyer beware).
I hope this helps some.
Best regards,
Stephen C. Phillips
Telecom Engineer
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All opinions expressed are my own, not necessarily those of Cisco Systems.
----- Begin Included Message -----
>From [email protected] Fri Jul 12 16:52:15 1996
To: [email protected]
Subject: Survey: Experiences with EMI Consultants
From: Max <[email protected]>
I am wondering if anyone has had experience with hiring EMI/EMC
consultants to solve their problems and what sort of results they have
obtained.
I would be very interested in any details that anyone might be able to
provide. For example, did you use a consultant after the system was
prototyped or early on, during the design process. Was the consultant
most useful at providing board-level, design suggestions or was he
most helpful at providing after-the-fact type fixes that pertain to
cabinet design and I/O cable filtering and grounding techniques, etc.
Also, did the consultant, deal directly with design engineers or
interface with just one person within your company, etc.?
Does anyone have the names of any good consultants?
Max Kelson
[email protected]
----- End Included Message -----
