Finally, it indicates the problems to which one should pay more attention when designing power and ground wire in Subscriber Circuit Board.
最后提出了用户电路板中印制板电源、地线布线设计时应注意的问题。
Subscriber line interface circuit is an important part of digital program-controlled switching system.
模拟用户线接口电路是数字程控交换系统的重要组成部分。
Subscriber line interface circuit is an important part of digital program-controlled switching system.
模拟用户线接口电路是数字程控交换系统的重要组成部分。
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