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Cars > tingyuya’s Garage > Blog > PCB equipment reliability enhancement measures

 

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tingyuya

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Abernant, Alabama
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PCB equipment reliability enhancement measures

By tingyuya

??PCB equipment reliability enhancement measures
??(1) to simplify the program design. personalized printed circuit board manufacturers
??Custom printed circuit board manufacturing?The design of the program, in the premise of ensuring the equipment to meet the technical, performance indicators, should try to simplify the design to simplify the design of circuit and structure have become the most simple design, so that each part. The modular design method popular in the world today are effective measures to improve equipment reliability. Relative to a single block function, the system consists of modules can reduce the complexity of the design, design standardization and standardization. Home and abroad a large number of facts have proved that the product should be designed using a modular design approach. circuit board manufacturing companies.
??(2) the use of the module and standard components.
??Module and standard components go through a lot of trials and extensive use of proven high reliability products, thus fully eliminate defects and hazards of the equipment, but also bring convenience for the replacement and repair problems. Modular and standardized products not only can effectively improve the reliability of the equipment, but also greatly shorten the development cycle, provide very favorable conditions for the equipment rapid modifications and columns of mounted.
??(3) improve integration.
??Selection of various functions, high integration of large-scale, ultra-large-scale integrated circuits, to minimize the number of components. The fewer components, the less hidden. In this way, not only can improve the reliability of the equipment, and Can shorten the development, the development cycle.
??(4) the derating design.
??Derating design components below its rated stress conditions, is an effective method to reduce the efficiency of component failure, ensure that the premise of the technical performance indicators, operating voltage range of components, based juice temperature characteristics, the electrical parameters are all taken derating method used, thereby reducing the failure rate of the components in a variety of stress conditions.
??Derating design, the factors to be considered by the different components is not the same: some voltage range, some current size, some temperature, and some frequency, some vibration and so on. Under normal circumstances, the power of the capacitor voltage, frequency, temperature characteristics, resistance, current and frequency characteristics of the inductor, a diode, transistor, thyristor, the junction current of the operational amplifier, drives, gates, etc. devices, the junction temperature or fanout coefficient, power the switch and Zhugong power cables resistant use of voltage / current and temperature resistance, the frequency characteristic of the signal cable, as well as radiators, connectors, power supply module device requires derating design .
??(5) to select high-quality devices.
??Component is the basic unit of the device, the quality is good or bad will directly affect the reliability of the equipment. Military communications equipment should be using more than industrial-grade products, best military, strict aging screening on the machine before, excluding the early failure of the device.
??(6) make full use of software resources.
??Due to the flexibility of the software programming, should be fully utilized in the design of software resources. Software debugging tools and tools is relatively large, easy to locate the fault and design issues, to solve a relatively short period. Make full use of the software resources is an important way to improve reliability.
This article from: ibuonline custom pcb manufacturer, learn more click on custom pcb manufacturer, cheapest pcb manufacturer, circuit board manufacturing companies

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