标签: 绝密

华为内部绝密PCB与EMC设计学习资料94PCBEMC()EMC2000/09/01PCBEMCEMCPCB00012000/09/011.00EMC2000-09-01294PCBEMCEMCPCB00011..................................................................8..........................................................10...........................................................101.1......................................................101.1.1VccGND............................................101.1.2...................................................101.2.................……