Suppressing EMI with PCB mounted ferrite attenuator

Details Suppressing EMI with PCB mounted ferrite attenuator Suppressing EMI with PCB mounted ferrite attenuator

1999-03-23

2000-09-26

Gaffin, Jeffrey

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361752, 361753, 361788, 361794, 361799, 361800, 361816, 361818, 174 35R, 174 35BC, 174250, 174253, 174260, 333 12, 333181, H05K 714

Patent

active

061250449

ABSTRACT:
A printed circuit board (PCB) assembly includes a PCB having and a ferrite attenuator. The PCB includes input/output signal paths for carrying signals to and from the PCB, power paths for conducting power to the PCB, and ground paths for connecting the PCB to a ground level. The ferrite attenuator surrounds the input/output signal paths, the power paths, and the ground paths. The PCB assembly is preferably used in a system, such as a computer system, where the ferrite attenuator suppresses electromagnetic interference (EMI) generated in the system.

REFERENCES:
patent: 5416427 (1995-05-01), Tracewell
patent: 5570270 (1996-10-01), Naedel et al.
patent: 5604352 (1997-02-01), Schuetz
patent: 5652553 (1997-07-01), Pollmeier
patent: 5748464 (1998-05-01), Schuetz
"Ferrite RFI Suppressors", FerriShield, Inc., Interference Control Components Catalog (1997).

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