Coupled Magnetic Probes Compare EMI Absorber Materials
High Frequency Electronics
- Author:
David Pacholok and Paul Rick
With engineers facing everincreasing regulatory compliance concerns, they often employ various types of EMI absorber materials that have come to market. Material selection is important to achieve regulatory compliance and system performance. Surface currents resulting from incident magnetic fields cause re-radiation of H-fields and often need to be reduced to meet regulatory goals. Unwanted surface currents can also interfere with other circuitry, preventing proper system operation.
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