文章最后提出了板级电源分配系统的设计策略，详细分析了去耦电容的原理，并介绍了去耦电容选取原则和PC B设计方法。

At last the article proposes the designing strategy of board-level power distribution system, analyze the principle of decoupling, the method of choosing decoupling capacitors and their PCB designing.

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仿真分析在设计中发挥了重要的指导性作用——它优化了激光器接口电路的布线，确定了去耦电容的位置分布和大小选择。

Simulation plays an important role in the design, which optimizes the circuit design of laser interface and confirms the location and value of decouple capacitors.

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在硬件电路设计中，大量采用了性能较好的去耦和旁路电容来加强系统的稳定性，并为了调试方便设计了JTAG接口。

To enhance the stability of the system, design a lot of decoupling and bypass capacitors in hardware circuit. And the JTAG debug interface is designed for convenient debugging.

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