Device for preparing an input signal for a line which is mismatched on the output side
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United States of America Patent
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-
Jul 12, 2005
Grant Date -
Apr 8, 2004
app pub date -
Jul 31, 2003
filing date -
Jan 31, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is provided an apparatus for generating an input signal for a cable that is mismatched on an output side. The apparatus has a line driver for connecting to an input of the cable via a resistor. The line driver includes a controller that, depending on a data input signal, is for triggering (a) a first switch to apply a supply voltage at an input of the resistor, (b) a second switch to apply a reference potential at the input of the resistor, and (c) a third switch to apply an auxiliary voltage at the input of the cable, all of them at predeterminable points in time, in order to minimize power dissipation in the resistor.
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