R&D

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For a full-featured, stable performance of the circuit board is designed to follow the rigorous sequence of research and development process, from the functional and specifications of the expected indicators to start, the design of components and the selection of functional matching. From the power consumption, the supply voltage, and the circuit current considerations to the component package. Every link needs scientific certification.

1.Shape to determine

First determined by the mechanical structure of the product. When the space position is more surplus, should try to choose a small area of the PCB. Because the area is too large, the printed line length, impedance increases, anti-noise ability to decline, the cost increases, but also take full account of the components of the heat dissipation and adjacent traces susceptible to interference and other factors.

2.Layout principle

① as far as possible to shorten the connection between high-frequency components, try to reduce their distribution parameters and mutual electromagnetic interference. Disruptive components can not be too close to each other, input and output components should be as far away as possible.

② some components or wires may have a higher potential difference between, should increase the distance between them, so as not to lead to accidental discharge short circuit. Components with high voltage should be arranged as far as possible in the debugging hand difficult to touch the place.

③ weight more than 15g of the components, should be fixed with a bracket, and then welding. Those large and heavy, more heat and more components, should not be installed on the printed circuit board, but should be installed in the machine chassis chassis, and should consider the cooling problem. The thermal element should be away from the heating element.

④ For the potentiometer, adjustable inductance coil, variable capacitor, micro switch and other adjustable components of the layout should consider the structural requirements of the machine. If the machine is adjusted, it should be placed on the printed circuit board to facilitate the adjustment of the place; if the machine outside the adjustment, its position to adjust the knob on the chassis panel to adapt to the location.

⑤ should be set aside PCB positioning holes and fixed stent occupied by the location.

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Boluo County Jinghui Electronic Technology Co., Ltd.
Huizhou City, Guangdong Province, Bo Luoxian County town of Jiutan Fuling Industrial TEL：86-752-6982880 FAX：86-752-6982833

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