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Items 1 to 10 of 100 total

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  • Friday, September 1, 2017 3:42:18 AM America/Los_Angeles 0 Posted By eaili

    The sensitivity of electronic equipment is getting higher and higher, which requires equipment anti-interference ability is also growing, so PCB design has become more difficult, how to improve the anti-jamming ability of PCB become one of the many key issues of concern to engineers. This article will introduce some of the tips for reducing noise and electromagnetic interference in PCB designs.

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  • Friday, September 1, 2017 3:40:00 AM America/Los_Angeles 0 Posted By eaili

    When you get a product, there are many times when there is no circuit. In this case how to tell the rationality of the circuit board and the work of the situation?

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  • Friday, September 1, 2017 3:37:10 AM America/Los_Angeles 0 Posted By eaili

    This paper analyzes the four basic characteristics of the RF circuit from four aspects: the radio interface, the small expectation signal, the large interference signal and the interference of the adjacent channel, and gives the important factors that need special attention in the PCB design process.

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  • Friday, September 1, 2017 3:33:37 AM America/Los_Angeles 0 Posted By eaili

    For PCB layout engineers, today's mobile phone presents the ultimate challenge. Modern mobile phones include almost all sub-systems that can be found in portable devices, such as a variety of radio frequency modules (including cellular, short-range wireless transmission); audio, video subsystems; dedicated application processors, More and more applications to increase the I / O layout, and each subsystem has conflicting requirements.

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  • Friday, September 1, 2017 2:54:49 AM America/Los_Angeles 0 Posted By eaili

    Boundary scan is a widely used test technique that requires a boundary scan unit to be configured between the input and output pins and the internal core logic. Boundary scan test technology can efficiently test kernel logic and interconnect. Figure 4 shows the standard boundary scan unit (BSC) with the traditional shift and update nodes.

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  • Friday, September 1, 2017 2:49:23 AM America/Los_Angeles 0 Posted By eaili

    The loss of signal integrity in interconnections is a critical issue for hundreds of gigahertz complex SoC, so there are often some special ways to solve this problem in design and testing.

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  • Friday, September 1, 2017 2:47:35 AM America/Los_Angeles 0 Posted By eaili

    DFM (Design for manufacturability) is a manufacturing-oriented design, which is the core technology of concurrent engineering. Design and manufacture is the most important part of the product life cycle, parallel engineering is to start in the design of the product should consider the manufacturability and assembly and other factors.

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  • Friday, September 1, 2017 2:45:57 AM America/Los_Angeles 0 Posted By eaili

    Power Integrity (PI, Power Integrity) is a stable and reliable power distribution system (PDS) for board-level systems. In essence, is to make the system at work, power, ground noise is effectively controlled in a wide frequency range for the chip to provide sufficient energy, and fully inhibit the chip when the work caused by voltage fluctuations, radiation and crosstalk.

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  • Friday, September 1, 2017 2:42:12 AM America/Los_Angeles 0 Posted By eaili

    Recently, ESD testing of electronic products, from different product test results found that the ESD is a very important test: If the circuit board design is not good, when the introduction of static electricity, will cause the product to crash or even components The damage. Previously only noted that ESD will damage the components, did not expect, for electronic products have to pay enough attention.

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  • Friday, September 1, 2017 2:36:21 AM America/Los_Angeles 0 Posted By eaili

    Electronic equipment, electronic devices and the increasing frequency of the processor, the electronic system is a multi-component and many subsystems of complex devices. High density and high speed will cause the system to increase the radiation, and low pressure and high sensitivity will reduce the system immunity.

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