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Title:
电路中得单点接地和多点接地
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File Size:
31kb
Update:
2012-03-19
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Uploaded by:
wn1983@163.com
Description:
接地是电子设备的一个很重要问题。接地目的有三个: (1)接地使整个电路系统中的所有单元电路都有一个公共的参考零电位,保证电路系统能稳定地工作。 (2)防止外界电磁场的干扰。机壳接地可以使得由于静电感应而积累在机壳上的大量电荷通过大地泄放,否
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