华为PCB的EMC设计指南

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1、᭛ḷ㓪োѻક⠜ᴀᆚ㑻⏅ഇᏖढЎᡔᴃ᳝䰤݀ৌݙ䚼݀ᓔⷨおㅵ⧚䚼᭛ḷЁᖗѻકৡ⿄˖݅94义PCBⱘEMC䆒䅵ᣛफ(ҙկݙ䚼Փ⫼)ᢳࠊ˖EMC⡍߿Ꮉ԰ᇣ㒘᮹ᳳ˖2000/09/01ᅵḌ˖᮹ᳳ˖ᅵḌ˖᮹ᳳ˖ᡍޚ˖᮹ᳳ˖⏅ഇᏖढЎᡔᴃ᳝䰤݀ৌ⠜ᴗ᠔᳝։ᴗᖙおݙ䚼݀ᓔPCBⱘEMC䆒䅵ᣛफEMCPCB0001䅶䆄ᔩ᮹ᳳ䅶⠜ᴀᦣ䗄԰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..........

2、........................................................8㄀ϔ䚼ߚᏗሔ..........................................................101ˈሖⱘ䆒㕂...........................................................101.1ড়⧚ⱘሖ᭄......................................................10

3、1.1.1VccǃGNDⱘሖ᭄............................................101.1.2োሖ᭄...................................................101.2ऩᵓⱘᗻ㛑ᣛᷛϢ៤ᴀ㽕∖.........................................101.3⬉⑤ሖǃഄሖǃোሖⱘⳌᇍԡ㕂.....................................111.3.1VccǃGNDᑇ䴶ⱘ䰏ᡫҹ

4、ঞ⬉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.............................................162.1῵ഫߦߚ................................................

5、.......162.1.1ᣝࡳ㛑ߦߚ.................................................162.1.2ᣝ乥⥛ߦߚ.................................................162.1.3ᣝো㉏ൟߚ................................................162.1.4㓐ড়Ꮧሔ...................................................162

6、.2⡍⅞఼ӊⱘᏗሔ...................................................172.2.1⬉⑤䚼ߚ...................................................172.2.2ᯊ䩳䚼ߚ...................................................182.2.3⬉ᛳ㒓೜...................................................182.2.4ᘏ

7、㒓偅ࡼ䚼ߚ................................................182.2.5Ⓒ⊶఼ӊ...................................................19ǃⒸ⊶...............................................................213.1ὖ䗄............................................................213

8、.2Ⓒ⊶఼ӊ........................................................223.2.1⬉䰏.......................................................223.2.2⬉ᛳ.......................................................223.2.3⬉ᆍ.......................