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Noise analysis of SiC MOSFET and verification for
EMC noise reduction methods

By Soshi Shimakura (Kitagawa Industries EMC Center)

  • 1) Characteristics of SiC-MOSFET
    2) Noise Analysis
    　　・EMC Issues
    　　・Evaluation Boards
    　　・Measurement Methods
    　　・Measurement Results
    3) Noise Mitigation Verification
    　　・Noise Mitigation with Bead Cores
    4) Conclusion

Noise analysis and solutions for
in-vehicle Camera Monitoring Systems (CMS)

By Norio Yamazaki (Kitagawa Industries EMC Center) 

  • 1)      Background of CMS
    2)      Evaluation Criteria
    3)      Radiated Noise Analysis
    4)      Implementation of countermeasures
    5)      Proposal of countermeasure Methods

New Product Solutions and Techniques for
High Frequency Noise Suppression and Heat Dissipation

By Tohru Matsuzaki (Kitagawa Industries EMC Center)

  • 1)      Noise Emission from Heat Sinks
    2)      Current intensity distribution
    3)      Relationship between the shape of the heatsink and noise radiation
    4)      Relationship between various thermal conductive sheets and radiation levels
    5)      Dielectric constant of the thermally conductive sheet
    6)      Relationship between heat sink FG grounding and noise radiation
    7)      Relationship between the permeability loss of the thermally conductive sheet
    8)      Countermeasures for GHz-band noise radiation from the heat sink
    9)      Noise Suppression Effect when Absorption Sheets are Processed into a Frame Shape