POWER SHUNT ELECTROMAGNETIC INTERFERENCE FILTER
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United States of America Patent
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N/A
Issued Date -
Jun 16, 2016
app pub date -
Mar 9, 2015
filing date -
Dec 16, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A power shunt EMI filter is electrically connected to a power feeding line of a main functional IC and other loads. The main functional IC driven by a power source supplied by the power feeding line generates an output voltage and an output current which are individually involved with an output voltage interference and an output current interference, and a phase difference exits there-in-between. A reference providing circuit generates a reference signal according to the output voltage interference and/or the output current interference. At least one adjust filtering circuit calculates eigenvalues of the output voltage interference and/or the output current interference according to the reference signal, such that the phase difference and amplitudes of the interferences are zero. Thus, an output voltage signal and current signal the load receives are DC signal without interferences.
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