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   Shenzhen Jie Du State Technology Co., Ltd. is a professional company inPCB Assembly Manufacturerx19b6516n,PCB Online. Since its inception,with innovative technology,advanced management,high-quality service,we won the majority of customer recognition.The companys core values are:either do not do,or do PCB Prototype Factory service really well

   

Shenzhen Jie Du State Technology Co., Ltd. has been devoted to study the needs of PCBGOGO industrial customers, ant tailored to customers demand and solutions. The advantage of Jieduo state technology lies not only in the industry-leading technology and the elite professional team, but also to provide excellent services in PCB prototype,PCB Assembly,PCB Layout,and the enthusiasm of positive innovation and faith of respect promise . Become a customer trusted PCB Assembly Manufacturer cheap price integrated service providers, to help customers realize the business value of PCB Assembly, is Jieduo state technology unswerving mission and pursuit. Details:
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Layout design should pay attention to the details of the following:

Single panel:

This type of panel is usually used when the cost is low. In the layout design, sometimes the need for components or use jumper to skip the circuit board alignment. If the number is too large, consider using a double panel.

Double panel:

Double panels can be used or can not use PTH. Because the PTH board is expensive, it will be used when the complexity and density of the circuit are needed. In the layout design, the number of wires on the component surface must be kept to a minimum to ensure that the required material is readily available.

In PTH plates, plated through-holes are only used for electrical connection and are not used for component mounting. For economic and reliability reasons, the number of holes should be kept to a minimum.

To select a single panel or a double panel, it is important to take into account the surface area of the component (C), which is a suitable constant ratio to the total area (S) of the printed circuit board. The installation is useful. It is noteworthy that US "usually refers to the area of the panel." Table 3-2 lists the most common printed circuit board S: C ratio range.




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