Methods and apparatus for providing analog-fir-based line-driver with pre-equalization
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United States of America Patent
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Jan 9, 2001
Grant Date -
N/A
app pub date -
Feb 25, 1998
filing date -
Feb 25, 1998
priority date (Note) -
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Abstract
A line-driver receives as an input a Manchester-encoded digital data signal, which is then converted into an analog signal by a wave-shaping circuit. The wave-shaping circuit comprises a bank of current sources with a combined output, each current source being actuated by a switch controlled by a switching signal. The current sources are each scaled by a coefficient, and are actuated in a selected sequence during each input data pulse, thereby generating as a combined output a staircase pulse signal with n steps for each input data pulse.
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