Re: [SI-LIST] : Shielding Effectivness Question

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From: jrbarnes@lexmark.com
Date: Tue Jun 05 2001 - 16:38:07 PDT


Neven,
To analyze the noise picked up by a wire that crosses a hole/slot in a shield,
look at:

[831] Lin, Guoxian, "Electromagnetic Excitation of a Wire Crossing a Long Slot
in an Infinite Plane," Electromagnetic Compatibility 1989, Zurich,
Switzerland, Mar. 7-9, 1989, pp. 89-92.

[938] Nakano, Hisamatsu, Yamauchi, Junji, Eda, Masahiro, and Iwasaki, Takeshi,
"Numerical Analysis of Electromagnetic Couplings Between Wires and Slots Using
Integral Equations," 4th International Conference on Antennas and Propagation
(ICAP 85), Coventry, UK, Apr. 16-19, 1985, pp. 438-442.

[966] Parmantier, J. P., and Aparicio, J. P., "Electromagnetic Topology:
Coupling of Two Wires Through an Aperture," Electromagnetic Compatibility
1991, Zurich, Switzerland, Mar. 12-14, 1991, pp. 595-600.

[1211] Taylor, Clayborne D., Marcum, Frank, Prather, William D., and Herrmann,
Carl C., "On Using a Sense Wire to Quantitate the Magnetic Flux Leakage Through
an Aperture in an Electromagnetic Shield," IEEE Transactions on
Electromagnetic Compatibility, vol. 31 no. 4, pp. 337-341, Nov. 1989.

My article on "Designing Electronic Equipment for ESD-Immunity" is being edited
by Printed Circuit Design magazine, and
should appear on their webpage http://www.pcdmag.com/ pretty soon now.
   Just last week I received several E-mails
from Andy Shaughnessy asking for clarification of points in my article. My
list of references, which is supposed to be
posted with the article, covers 70-some books and booklets, and about 1300
pertinent standards/reports/papers/articles
gleaned from engineering and physics publications going back to the mid-1970's.

                                              John Barnes Advisory Engineer
                                              Lexmark International

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