EMC とは何か - EMC試験・EMC車載機器試験・製品 ??の雑音の混入やテレビの画像の乱れなどを経験した ことはあるでしょうが、これもEMC が不充分である ことによるものと言えます。やや深刻なEMC 問題の 身近な例の1つとしては、携帯電話とペースメーカー との干渉の可能性があげられます。

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  • EMC

    e

    2013 10 (2004 2)

    1 1

    2 EMC 1

    2.1 EMC . . . . . . . . . 12.2 . . . . . . 22.3 EMC . . . . . . . . . . . . . . 2

    3 EMC 3

    3.1 . . . . . . . . . . . . 33.2 . . . . . . . . . . . . 63.3 EMC . . . . . . . . . . 6

    4 7

    4.1 () 74.2 . . . . . . . . . . . . . . . . . 94.3 () . . 94.4 . . . . . . . . . . . . . . . . . 94.5 . . . . . . . . . . . . . 11

    5 11

    5.1 . . . . . . 115.2 . . . . 115.3

    . . . . . . . . . . . . . . . . . . . 135.4 . . . . . . . . . . . . . . . . . . 135.5 (ESD) . . . . . . . . . . . 135.6 . . . . . . . . 15

    6 EMC 15

    7 16

    2003 12

    1

    EMC

    EMC

    EMC EMC

    2 EMC

    EMCelectro-magnetic compatibility

    EMC

    (compatibility)

    2.1 EMC

    EMC

    1

    http://www.e-ohtama.jp

  • EMC EMC

    1

    EMC

    2.2

    ()EMI(electro-magnetic interference; )

    EMS (electro-magneticsusceptibility; )

    2 3

    2.3 EMC

    ( 1) ()

    EMC

    EMC

    ((

    ((

    1:

    2

  • ()

    1:

    EMC ( 4 5 )

    3 EMC

    EMC

    ()

    ()

    3.1

    ()

    3

  • ()

    ()

    ()

    ()

    ()

    ()

    ()

    2:

    4

  • CRT

    3:

    CISPR 11 (ISM) CISPR 13 CISPR 14-1 CISPR 15 CISPR 22 IEC 61326 IEC 60601-1-2 IEC 61000-6-3 ()IEC 61000-6-4 ()

    IEC 61000-3-2 16A/IEC 61000-3-3 16A/

    4:

    5

  • CISPR 14-2 CISPR 20 CISPR 24 IEC 61326 IEC 60601-1-2 IEC 61000-6-1 ()IEC 61000-6-2 ()

    5:

    ()

    ()

    ()

    FCC EU EMC

    VCCI ()

    3.2

    () EMC

    EU

    3.3 EMC

    6

  • EMC

    ()

    EMC

    EMC

    (

    )

    EMC

    4

    4.1 ()

    ()

    CISPR A () B ()

    A 30m B 10m

    EUT ()EUT ( 3m30m ) EUT ( 2)EUT

    EUT EUT

    7

  • ((

    2:

    3: e

    8

  • 4.2

    ()

    ()

    4.3 ()

    ()

    LISN () LISN LISN LC

    EUT ( LISN line impedancestabilization network ) ( 5)

    4.4

    5 1k

    50H

    0.25

    F8F

    ((

    5: LISN

    ()

    () EUT

    M

    EUT

    R

    jX

    EUT E

    7:

    9

  • EUT (E

    4:

    LISN

    EUT (E

    6:

    10

  • 4.5

    ()

    8:

    ()

    5

    5.1

    ( 11) EUT () ( 9)

    ()

    80% 8(3V/m (

    2

    1

    0

    1

    2

    3

    3

    11:

    5.2

    11

  • 9:

    10: e

    12

  • ( 80MHz )

    () (CDN/ ) ()EM ()

    5.3

    (EFT/BEFTFTB )

    ( 13)

    5.4

    50ns

    10%

    50%

    90%100%

    300ms

    5ns

    15ms

    ((

    13:

    ( 14)

    5.5 (ESD)

    ( 15)

    13

  • (CDN(

    EUT (E

    ((

    (

    12:

    100%90%

    50%

    10%

    20s

    50s

    30%

    50%

    90%100%

    1.2s

    8s

    ((

    14:

    ()

    EUT ()

    0.7 0

    60ns30ns

    10%

    90%100%

    ((

    15: ESD

    14

  • 16: ESD

    5.6

    ( 17)

    ()

    6 EMC

    EMC

    EMC ()

    17:

    EMC

    EMC

    EMC

    15

  • ()

    ([2] )

    EMC

    7

    [1] International Electrotechnical Comission;IEC 61000 CISPR Publications

    [2] Keith Armstrong , ;EMC ,http://homepage3.nifty.com/tsato/compliance.html

    [3] ;, , 1999

    [4] ;, , 1991

    [5] ;,, 1997

    c 2004 Tomonori Sato

    16

    http://homepage3.nifty.com/tsato/

    1 2 EMC 2.1 EMC 2.2 2.3 EMC

    3 EMC 3.1 3.2 3.3 EMC

    4 4.1 ()4.2 4.3 ()4.4 4.5

    5 5.1 5.2 5.3 5.4 5.5 (ESD)5.6

    6 EMC7 *

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