Apparatus and method of providing EMI filtering
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United States of America Patent
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Feb 29, 2000
Grant Date -
N/A
app pub date -
Sep 19, 1997
filing date -
Sep 19, 1997
priority date (Note) -
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Abstract
The present invention is a method and apparatus of providing EMI filtering through the implementation of a voltage sense circuit that is used in conjunction with a power correction circuit in an electromagnetic (EMI) filter system. The apparatus comprises a filter that receives an alternating current signal, where the filter has an input terminal and an output terminal. The apparatus also comprises a power correction circuit having a voltage reference input terminal and an output terminal. A voltage sense circuit having an input terminal is coupled to the input terminal of the filter. The voltage sense circuit has an output terminal that is coupled to the voltage input terminal.
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