Adaptive equalizer filter with variable gain control
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United States of America Patent
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Nov 26, 2002
Grant Date -
N/A
app pub date -
May 12, 2000
filing date -
May 12, 2000
priority date (Note) -
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Abstract
There is disclosed an adaptive equalizer filter with a current splitting system for variable gain control. The system comprises a current splitting circuit that splits an input current into a first current portion that is proportional to a first scale factor that has a value between zero and one. The remainder of the current is a second current portion that is proportional to a second scale factor that has a value that is equal to one minus the first scale factor. The current splitting circuit comprises a differential current mirror circuit that rejects common mode input current signals.
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