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手机中RF晶振的地是否可以和笼子地连在一起?
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从平台提供商的技术文档中看到这句话:
Some sensitive components (VCOs & VCTXO) have not their ground directly connected to the shielding ground because there is a lot of high level grounded currents in this area which could disturb the components.
No high grounded current should cross the surface of the VCTXO ground. The ground must not be directly connected to the shielding where grounded currents are very important.
请问,是不是可以理解为,TCXO的地和屏蔽笼子的地不能接在一起。这是真的吗?在实际布线中,我看到很多TCXO地与TC地连在一起,再与笼子地相连。这样是否违反规则?
请教大家
Some sensitive components (VCOs & VCTXO) have not their ground directly connected to the shielding ground because there is a lot of high level grounded currents in this area which could disturb the components.
No high grounded current should cross the surface of the VCTXO ground. The ground must not be directly connected to the shielding where grounded currents are very important.
请问,是不是可以理解为,TCXO的地和屏蔽笼子的地不能接在一起。这是真的吗?在实际布线中,我看到很多TCXO地与TC地连在一起,再与笼子地相连。这样是否违反规则?
请教大家
手机中RF地是唯一的,公用的,要连在一起的。
可以连在一起的
谢谢楼上两位!
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