Reduced EMI device and method thereof
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United States of America Patent
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-
Jun 10, 2008
Grant Date -
Apr 21, 2005
app pub date -
Dec 3, 2004
filing date -
Feb 4, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system is disclosed for spreading the power associated with digital signals being transmitted to reduce electromagnetic interference (EMI) emissions by receiving, via a first transmission line, a first power spread signal representative a first digital signal modified using a first power spreading digital noise signal, modifying the power spread signal using a second power spreading digital noise signal substantially similar to the first power spreading digital noise signal to generate a second digital signal substantially similar to the first digital signal, modifying the second digital signal using a third power spreading digital noise signal to generate a second power spread signal and providing the second power spread signal for output to a second transmission line.
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