Resending due to no subject listed in first e-mail. > -----Original Message----- > From: Binnom, Cyril A > Sent: Friday, June 15, 2001 10:14 AM > To: 'emc-pstc' > Cc: McBride, James; Wismer, Sam; Massey, Doug C.; Davis, Brett A. > Subject: > > Group, > > I am experiencing a EMI failure during testing and it has been isolated to > the processor board in which the fundamental frequency is 66.6 MHz the 3rd > harmonic that is our failure frequency is 199.8 MHz. We consulted the > manufacturer of the board and they have come up with a "spectrum > spreading" application for me to try. As I understand it, these type of > applications work by essentially jittering the clock frequency in order to > spread the energy over a wider band of frequencies. Thus the level at any > particular frequency is reduced even though the overall amount of energy > radiated is the same. The file they are sending me is a test application. > If it works well enough to get the unit to pass test, they have the > ability to enable the same application in the BIOS so it is always > running. > > Does anyone have any experience using this type of application? Any > opinions on its validity? To those that can attest to its validity, any > pros or cons to the use of this application? > > Regards, > > Cyril A. Binnom Jr. > EMI/EMC Approvals Engineer > LXE, Inc. > (770) 447-4224 Ext. 3240 > (770) 447-6928 Fax > binno...@lxe.com > >
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