Hi Bill, I missed your original posting (get hundreds of emails daily). Got to www.cpcibackplanes.com. You may find help there. That URL is the site of International Product Design, a local company here in Los Gatos, CA, USA. Shawn Arnold is one of the principles and I expect he can help.
Doug "Fleury, Bill" wrote: > > Judging from the number of responses (0) I got to my question about EMI > problems from compactPCI backplanes I am assumiong that either no one uses > cPCI backplanes or I'm the only one that has experienced problems when > testing in this environment. I didn't think that ever happened in this > group. I'll repost this just in case some of you didn't get the last one. > > This is a question regarding systems which use CompactPCI bus architecture. > On a cPCI backplane the PCI clock is routed to every slot on the backplane > with up to 7 peripheral slots possible on a normal backplane. My question is > this: With the cPCI specification calling out specific trace lengths for > clock traces on both the backplane itself and on peripheral cards, have > other people experienced any unique EMI problems in trying to meet the > design constraints associated with this synchronous bus; especially where > there are unpopulated slots on the backplane? > > Please feel free to respond privately if the question is unclear. I wasn't > sure if it was worded properly. > > Thanks, > > Bill Fleury > > ***************Artesyn Communication Products, LLC****************** > ******************************************************************** > > Bill Fleury Email: [email protected] > Compliance Engineer Phone: 608-831-5500 > 8310 Excelsior Drive Fax: 608-831-8844 > Madison, WI 53717 > > ******************************************************************** > "The difficult can be done immediately, the impossible takes a > little longer" (Army Corp of Engineers) > > ******************* Visit us at www.artesyn.com/cp ****************** > <<Bill Fleury (E-mail).vcf>> -- ------------------------------------------------------- ___ _ Doug Smith \ / ) P.O. Box 1457 ========= Los Gatos, CA 95031-1457 _ / \ / \ _ TEL/FAX: 408-356-4186/358-3799 / /\ \ ] / /\ \ Mobile: 408-858-4528 | q-----( ) | o | Email: [email protected] \ _ / ] \ _ / Website: http://www.dsmith.org ------------------------------------------------------- ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Jim Bacher: [email protected] Michael Garretson: [email protected] For policy questions, send mail to: Richard Nute: [email protected]
