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a*m
发帖数: 6253 | 4 normally gnd can be treated clean.
supply is generated which will have noise for sure, ground should be clean
if no coupling from other sources. |
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c****s
发帖数: 2487 | 5 如果有switching线路的话ground很难安静的
只能从die上分割，然后blocking,最后PCB ground plates这一套都等小心伺候 |
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