Line drivers with extended linearity
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United States of America Patent
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N/A
Issued Date -
Mar 29, 2007
app pub date -
Sep 21, 2005
filing date -
Sep 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Line drivers with extended linearity are described herein. In one embodiment, an example of a line driver includes, but is not limited to, a first amplifier having a first input, a second amplifier having a second input, the first and second amplifiers driving a load of a communication line, and a trans-conductance stage device coupled to the first and second amplifiers. The trans-conductance stage device is configured to sense a first error voltage across the first input of the first amplifier and to provide a first feedback to the second input of the second amplifier. The trans-conductance stage device is configured to sense a second error voltage across the second input of the second amplifier and to provide a second feedback to the first input of the first amplifier. Other methods and apparatuses are also described.
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