信号完整性
信号完整性（英語：）是对于电子信号品質的一系列度量标准。在数字电路中，一串二进制的信号流是通过电压（或电流）的波形来表示。然而，自然界的信号实际上都是模拟的，而非数字的，所有的信号都受噪音、扭曲和损失影响。在短距离、低比特率的情况里，一个简单的导体可以忠实地传输信号。而长距离、高比特率的信号如果通过几种不同的导体，多种效应可以降低信号的可信度，这样系统或设备不能正常工作。信号完整性工程是分析和缓解上述负面效应的一项任务，在所有水平的电子封装和组装，例如集成电路的内部连接、集成电路封装、印制电路板等工艺过程中，都是一项十分重要的活动。
参考文献
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- Altera Signal Integrity Center
- Basic Principles of Signal Integrity （页面存档备份，存于）
- Agilent EEsof EDA - Signal Integrity Analysis Resources
- "Design tip: Model instruments to improve signal integrity simulation", EETimes, John Olah, 2007-October-25
- Topics in signal integrity were discussed at DesignCon 2008 February 4, 2008 to February 7, 2008
- "Understanding Signal Integrity - Signal integrity is becoming a more significant problem as clock frequencies increase" by Eric Bogatin, GigaTest Labs, Agilent Application Note 5988-5978EN, April 2002, 8 pages, PDF, 0.9MB
- "Signal Integrity Analysis Series Part 1: Single-Port TDR, TDR/TDT, and 2-Port TDR" (Agilent Application Note 5989-5763EN, February 2007, 72 pages, PDF, 5.2MB)
- "Signal Integrity Analysis Series Part 2: 4-Port TDR/VNA/PLTS" (Agilent Application Note 5989-5764EN, February 2007, 56 pages, PDF, 3.6MB)
- "Signal Integrity Analysis Series Part 3: The ABC's of De-Embedding" (Agilent Application Note 5989-5765EN, July 2007, 48 pages, PDF, 2.5MB)
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