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现在做了一批电路板，有个别电路板上DSP的CVDD的对地电阻较其他电路板要小（大概十几欧，其他电路板二十几欧），功耗也要大一点，DSP实现功能正常，请问这种情况是否能可靠使用？CVDD的对地阻抗有没有一个正确范围？希望各位专家可以提供下意见，谢谢！
