Crosstalk analysis and control in high-speed PCB design: Physical analysis and verification play an increasingly critical role in ensuring the success of complex, high-speed PCB board-level and system-level designs. This article will introduce methods for suppressing and improving signal crosstalk in signal integrity analysis, as well as design strategies for achieving signal crosstalk control using electrical rule-driven high-speed PCB wiring technology. At present, increasingly sophisticated semiconductor processes have made transistors smaller and smaller, so the signal transition edges of devices are getting faster and faster, resulting in increasingly serious signal integrity and electromagnetic compatibility issues in the field of high-speed digital circuit system design. Signal integrity issues mainly include transmission line effects, such as reflection, delay, ringing, signal overshoot and undershoot, and crosstalk between signals. Among them, signal crosstalk is the most complex, involving many factors, complex calculations, and difficult to control. Therefore, today\'s electronic product design urgently needs new ideas, processes, methods, and technologies that are different from traditional design environments, design processes, and design methods. EDA technology has developed a complete set of design analysis tools and methodologies for high-speed PCB and circuit board-level systems. These technologies cover all aspects of high-speed circuit design analysis: static timing analysis, signal integrity analysis, EMI/EMC design, ground bounce analysis, power analysis, and high-speed routers. It also includes signal integrity verification and Sign-Off, design space detection, interconnection planning, interconnection synthesis constrained by electrical rules, and the introduction of technical methods such as expert systems, which also provide the possibility of efficiently and better solving signal integrity problems. Signal integrity analysis and design is the most important high-speed PCB board-level and system-level analysis and design method, and plays an increasingly important role in hardware circuit design. Here we will discuss signal crosstalk in signal integrity issues.
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