Since A/D and D/A converters are the key components in seismic instruments, their circuit designs and printed circuit board (PCB) layout have a near relation with the feature of the instrument.

转换器、D／A转换器是地震仪器的核心部件，其电路和印刷板的布置及设计直接影响到仪器的精度和指标。

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According to the schematics, PCB layout has been done, and furthermore, the core circuit board of hardware has been accomplished via PCB manufacturing, soldering and debugging.

依照原理图，自行设计印刷电路板，再经过制作、焊接和调试，最终完成硬件核心部分电路板。

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Introduce the PCB board layout, the principle of the layout of components, debug the hardware circuit after welding and present the module debugging method.

介绍了PC B板布线、元件布局的原则，焊接后进行硬件电路调试，介绍了各模块的调试方法。

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These are currently too wide but Audojo plans to remedy this before production thanks to an improved circuit board layout.

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