高速电路的接地规则

TomPCB

主标题:    高速电路的接地规则 4 {+ z" {' j# ^4 H8 e& x7 m副标题:    布局和接线在视频转换器电路中至关重要 ; P0 w' _5 \0 H+ C/ N           怎样将干扰降到最低 : P% Q2 Z# o' n, q5 c作者:    Don Brockman, Arnold Williams . I* K/ o% c  q; O7 O5 V 译者:    jz0095, IC921合译 ( a! G0 F9 l* n ' B: B3 B1 }2 I[001] In recent issues, Analog Dialogue has dealt extensively with topics in shielding and grounding,[1,2] 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 $ e( F( B$ E1 z: z" g----------------------------------------- 7 _: c9 a* C" H1. Alan Rich, “Understanding Interference-Type Noise,”Analog Dialogue 16-3, 1982, pages 16-19 3 w$ e1 v$ w/ Y8 F2. Alan Rich, “Shielding and Guarding,” Analog Dialogue 17-1, 1983, pages 8-13. % F$ M' Z' D8 w / g  }- x9 Y& q# p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。 ---------------------------------------- (引用文章) + o, X0 n* v" w9 Y& R1. Alan Rich, “了解干扰类噪音”Analog Dialogue 16卷-3, 1982年, 16-19页 8 ~4 u9 J  \: J" a/ H" I- U2. Alan Rich, “屏蔽与接地”, Analog Dialogue 17卷-1, 1983年, 8-13页. ! w5 z7 N' Z5 v6 @4 ~1 S7 v; E& k! c / P3 {2 F( O% Q( Y 游客，如果您要查看本帖隐藏内容请回复

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