How does documentation affect testability
Complete pre-test documentation includes parts lists, PCB design data (mainly CAD data) and detailed information about the functions of the service components (such as data sheets).
Контрактное производство электроники под ключ в Китае
Контрактное производство электроники под ключ в Китае
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How thorough is the discovery of product faults?
To solve these problems, measures can be taken in circuit layout, new testing methods can be adopted, and innovative adapter solutions can be adopted. The solution of the second problem also involves making the test system used as a separate process take
PCB inspection, these points you must know
PCB board classification is many, common paper based printed circuit board, epoxy glass fiber cloth printed circuit board rice composite substrate printed circuit board, special substrate printed circuit board metal substrate.
PCB impedance board impedance line design
This paper first introduces what is impedance and impedance type, then introduces the PCB circuit board why to do impedance, describes the significance of impedance for PCB circuit board, the specific follow Xiaobian together to understand.
The design specification of soft - hard combined board and flexible circuit board is discussed in detail
Electrolysis of copper foil is also used in situations where the carrying capacity of the current can be increased by increasing the weight of copper to achieve a copper width, such as planar inductors.
Component placement
pcb design should begin with an understanding of the manufacturer's capabilities. When designing manufacturable PCBS, IC companies are usually contacted regularly regarding functionality and cost reduction techniques.
Basic design process
Virtually every electronic product consists of one or more printed circuit boards (PCBS). PCBS immobilize IC and other components and interconnect them. A large number of PCBS were created for portable electronic devices, computers and entertainment devic
Rule five Routing direction rules for high speed PCB design
In high speed PCB design, the circuit board characteristic impedance control and multi-load topology design directly determine the success or failure of the product.
Design skills and key points to realize efficient automatic PCB routing
Careful analysis of the design and careful setup of the tools and software before wiring will make the design more in line with the requirements. The following is the general design process and steps.
How is a PCB manufacturer or PCB assembler evaluated
While there are a few tricks that can reduce the cost of assembling PCb as for PCBS, sometimes price is the main factor in our final decision. When selecting PCB rooms, the cost must be analyzed from two aspects: the overall offer - don't just indulge in
Use the right design rules
Some manufacturers even offer you tracking services so they know where your products are going. Usually, well-known PCB suppliers or assembly suppliers work closely with the major Courier companies.
Avoid wiring analog and digital circuits simultaneously in mixed-signal designs Silk screen and PCB test guide
The power supply can be the source of most heat and noise problems in a PCB, so board design must take this into account from the start. Good circuit board design starts with good power supply layout.
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