I thank all off you who answered my question. Neven
> -----Original Message----- > From: Neven Pischl [mailto:[email protected]] > Sent: Tuesday, June 05, 2001 12:16 PM > To: [email protected]; [email protected] > Subject: Shielding Effectivness Question > > > I would appreciate if anyone could let me know if there are any references > (books, application notes, anythig ..) that deal with shielding efectivness > in cases when a source is close to an (electrically small) opening in a > shield (enclosure). In such a situation, the field will penetrate through > the hole and leak even if the size is much smaller than the wavelength. I am > particularly interested in situation when high-frequency source, such as a > PCB edge or a component operating at (say) 1 GHz and above is in proximity > of the venting holes, "small" gaps in the chassis etc. > > All references that I have deal with uniform plane wave propagating incident > to a metal plane with a slot or hole, in which case it is enought o have > electrically small size of the opening (e.g. lambda/10) to efficiently block > any field propagation through the barrier. I can't find any useful reference > that deals in any analytical way with the situation I am intersted in. > > I believe I might get some answers using some of the simulation programs, > but at the moment I am more intersted in the analysis of the problem than in > simulating it. > > Thank you, > > Neven Pischl ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: [email protected] Dave Heald [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.rcic.com/ click on "Virtual Conference Hall,"
