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平衡传输线,是将信号从一个地方传到另一个地方的同时抑制“接地噪声”。
The purpose of a balanced line is to transfer a "signal" from one place to another while rejecting "ground noise", which is not white noise or hiss, but power line related hum and buzz.
本文分析pcb印刷电路板信号接地设计中产生接地噪声及电磁幅射的原因和对策。
This text analyses that earth noise and electromagnetic reasons and countermeasures penetrated emerge in the printed circuit board signal earth design of PCB.
为了获得高的灵敏度,本设计采用了噪声系数很低的前置放大器,并进行了可靠的接地、屏蔽等处理。
To achieve high sensitivity, the pre-amplifier with very low noise figure is adopted in the design, and reliable grounding and shielding processing are performed.
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