Filter circuit having an Fe-based core

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United States of America Patent

PATENT NO 7541909
APP PUB NO 20030151487A1
SERIAL NO

10071368

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Abstract

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A filter circuit is used to select frequency bands of digital and analog signals over communications channels in a DSL communications system. The filter circuit includes an inductor having a core that consists essentially of an Fe-base amorphous metal alloy. Advantageously, the filter circuit provides as good or better performance than a filter circuit using a Co-base core; but is much less expensive. As such, it provides a low cost, high efficiency solution to communications applications, such as DSL communications systems, and the like.

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Patent Owner(s)

Patent OwnerAddress
METGLAS INC440 ALLIED DRIVE CONWAY SC 29526

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Ryusuke Morristown, US 58 551
Martis, Ronald J East Hanover, US 7 49
Tatikola, Seshu V Bridgewater, US 5 174

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