Differential filter with high common mode rejection ratio
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United States of America Patent
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Issued Date -
Oct 14, 2004
app pub date -
Sep 5, 2003
filing date -
Sep 6, 2002
priority date (Note) -
Abandoned
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Abstract
A differential amplifier (701) has an input for coupling to one or more signal sources (702). An offset error correction parameter input (704) is provided proximal to this input and serves to facilitate the reduction or elimination of undesired DC or low frequency offsets while further permitting a relatively large gain to be applied to the incoming signal without also amplifying considerable undesired DC/low frequency offset content.
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