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PCB Tech

PCB Tech

PCB Tech

PCB Tech

The introduction of the circuit board working link and the description of its characteristics

The introduction of the circuit board working link and the description of its characteristics
With the continuous development of the times, circuit boards have gradually come into our lives, and gradually become familiar to more and more people. It not only has excellent performance, but also has a longer service life.

[What is the working process of the circuit board]

1. The planning of the circuit board. It is mainly to plan the physical size of the PCB board, the package form of the component, the component installation method, and the layer structure (that is, the choice of single-layer board, double-layer board and multi-layer board).

2. Setting of working parameters. Mainly refers to the working environment parameter setting and the working layer parameter setting. Setting the PCB environmental parameters correctly and reasonably can bring great convenience to the design of the circuit board and improve work efficiency.

pcb board

3. Component layout and adjustment. This is a relatively important task in PCB design, which directly affects the subsequent wiring and division of the internal electrical layer, so it needs to be treated carefully. After the current work is ready, the netlist can be imported into the pcb, or the netlist can be imported directly by updating the PCB in the schematic diagram.

You can use the Proteldxp software with its own automatic layout function, but the effect of the automatic layout function is often not ideal. Generally, manual layout should be used, especially for complex circuits and components with special requirements.

4. Wiring rule setting. Mainly to set various specifications of circuit wiring, wire width, parallel line spacing, safety spacing between wires and pads, and via size, etc., no matter what wiring method is adopted, wiring rules are an indispensable step, good The wiring rules can ensure the safety of the circuit board wiring, and meet the requirements of the production process, saving costs.

5. Wiring and adjustment. The system provides automatic wiring, but it often fails to meet the designer's requirements. In actual applications, designers often rely on manual wiring, or partial automatic wiring combined with manual interactive wiring to complete the wiring work.

Special attention should be paid to the characteristics of layout and wiring and PCB circuit boards with internal electrical layers. Although layout and wiring are in order, the layout of the circuit board is often adjusted according to the needs of wiring and internal electrical layer division in the design project, or According to the layout adjustment wiring, between them is a process of mutual consideration and mutual adjustment.

[Performance characteristics of the circuit board]

First, it is necessary to verify whether the core equipment of the circuit board waste gas treatment equipment, the filler material, is of high quality and meets the unqualified waste gas treatment requirements, because the filler material must be selected to have a better purification effect and safer use. The life of the whole machine is longer;

Second, it is necessary to briefly understand the development history of the environmental protection company. At least it must be really reliable. From the company's development history, number of employees, and establishment time, you can locate whether the company can withstand the test, and you can also indirectly understand the product. quality;

Third, good circuit board exhaust gas treatment equipment must be easy to install, so that later maintenance, cleaning, and replacement are more convenient;

Fourth, the relevant certification of the circuit board exhaust gas treatment equipment must be carefully reviewed. Fortunately, go to the regular inquiry outlets for inquiries. If there is no certificate, it means Sanwu’s fake and shoddy products, and such products have no security guarantee. Therefore, I still remind consumers that in addition to their own experience, it is also very important to read more, ask more, and check more.