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US09048817B2 Voltage fed feed forward active EMI filter 有权
馈电前馈有源EMI滤波器

Voltage fed feed forward active EMI filter
Abstract:
An apparatus for active feed forward electromagnetic interference (EMI) filtering, including, a noise detection and current reconstruction circuit that receives EMI noise occurring at a noise source, and noise voltage compensation circuit operatively coupled to the noise detection and current reconstruction circuits. The active feed forward circuit generates a noise voltage compensation signal based on the EMI noise reconstructed by the noise detection circuit.
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