高速电路的接地规则
In recent issues, Analog Dialogue has dealt extensively with topics in shielding and grounding, emphasizing the techniques needed to protect the integrity and precision of analog signals in the dc and audio-frequency domain from interfering signals, whether at line frequency or at much higher frequencies. To complement those articles, we suggest here the elements of good practice for high-resolution “video speed” converters, i.e., converters of 10-bit or greater resolution, operating at word rates above 1 MHz-----------------------------------------
1. Alan Rich, “Understanding Interference-Type Noise,”Analog Dialogue 16-3, 1982, pages 16-19
2. Alan Rich, “Shielding and Guarding,” Analog Dialogue 17-1, 1983, pages 8-13.
近几期的Analog Dialogue 着重对屏蔽和接地问题进行了广泛的探讨，强调这些技术在直流和音频范围内对保证模拟信号的完整，精确，免受工频或更高频率的干扰方面将起到作用。这里我们建议将本文中有益于高分辨率“视频”转换器，即10位或10位以上精度，字节速率在1MHz以上的方法作为对已发表文章的补充。
好东西，谢谢！！！！
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