华为PCB的EMC设计指南.pdf

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1、᭛ḷ㓪োѻક⠜ᴀᆚ㑻⏅ഇᏖढЎᡔᴃ᳝䰤݀ৌݙ䚼݀ᓔⷨおⷨおㅵ⧚ⷨおㅵ⧚ㅵ⧚䚼᭛ḷЁᖗㅵ⧚䚼᭛ḷЁᖗѻકৡ⿄ѻકৡ⿄˖ѻકৡ⿄˖˖˖݅݅݅94义义义PCBⱘⱘⱘEMC䆒䅵ᣛफ(ҙկݙ䚼Փ⫼)ᢳࠊᢳࠊ˖ᢳࠊ˖˖˖EMC⡍߿Ꮉ԰ᇣ㒘᮹ᳳ᮹ᳳ˖᮹ᳳ˖˖˖2000/09/01ᅵḌᅵḌ˖ᅵḌ˖˖˖᮹ᳳ᮹ᳳ˖᮹ᳳ˖˖˖ᅵḌᅵḌ˖ᅵḌ˖˖˖᮹ᳳ᮹ᳳ˖᮹ᳳ˖˖˖ᡍޚᡍޚ˖ᡍޚ˖˖˖᮹ᳳ᮹ᳳ˖᮹ᳳ˖˖˖⏅ഇᏖढЎᡔᴃ᳝䰤݀ৌ⠜ᴗ᠔᳝։։։ᴗ։ᴗᴗᴗᖙᖙᖙᖙおおおおݙ䚼݀ᓔPCBⱘEMC䆒䅵ᣛफEMCPCB0001䅶䆄ᔩ᮹ᳳ䅶⠜ᴀᦣ䗄

2、԰㗙2000/09/011.00߱〓ᅠ៤EMC⡍߿Ꮉ԰ᇣ㒘2000-09-01⠜ᴗ᠔᳝ˈ։ᴗᖙお㄀2义ˈ݅94义ݙ䚼݀ᓔPCBⱘEMC䆒䅵ᣛफEMCPCB0001Ⳃᔩࠡ㿔..................................................................8㄀ϔ䚼ߚᏗሔ..........................................................101ˈሖⱘ䆒㕂...................................

3、........................101.1ড়⧚ⱘሖ᭄......................................................101.1.1VccǃGNDⱘሖ᭄............................................101.1.2োሖ᭄...................................................101.2ऩᵓⱘᗻ㛑ᣛᷛϢ៤ᴀ㽕∖................................

4、.........101.3⬉⑤ሖǃഄሖǃোሖⱘⳌᇍԡ㕂.....................................111.3.1VccǃGNDᑇ䴶ⱘ䰏ᡫҹঞ⬉⑤ǃഄП䯈ⱘEMC⦃๗䯂乬...............111.3.2VccǃGND԰Ўখ㗗ᑇ䴶ˈϸ㗙ⱘ԰⫼Ϣऎ߿........................111.3.3⬉⑤ሖǃഄሖǃোሖⱘⳌᇍԡ㕂................................11ˈ῵ഫߦߚঞ⡍⅞఼ӊⱘᏗሔ......................

5、.......................162.1῵ഫߦߚ.......................................................162.1.1ᣝࡳ㛑ߦߚ.................................................162.1.2ᣝ乥⥛ߦߚ.................................................162.1.3ᣝো㉏ൟߚ......................................

6、..........162.1.4㓐ড়Ꮧሔ...................................................162.2⡍⅞఼ӊⱘᏗሔ...................................................172.2.1⬉⑤䚼ߚ...................................................172.2.2ᯊ䩳䚼ߚ...................................................

7、182.2.3⬉ᛳ㒓೜...................................................182.2.4ᘏ㒓偅ࡼ䚼ߚ................................................182.2.5Ⓒ⊶఼ӊ...................................................19ǃⒸ⊶...............................................................213.1

8、ὖ䗄............................................................213.2Ⓒ⊶఼ӊ........................................................223.2.1⬉䰏...................................................