Foreign News

  • One article to understand: the most complete circuit test process

    When a circuit board is soldered, it is usually not to directly supply power to the circuit board when checking whether the circuit board can work normally. Instead, follow the steps below to ensure that there is no problem in each step and then power on is not too late. Whether the connection is...
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  • Work Adjustment Notice

    Affected by the novel coronavirus pneumonia epidemic, The government of [Guangdong] province activates first-level public health emergency response. The WHO announced that it has constituted a public health emergency of international concern, and many foreign trade enterprises have been affected ...
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  • Basic composition of optical fiber communication system

    According to different user requirements, different types of services, and the development of technology at different stages, the form of optical fiber communication systems can be diverse. At present, a relatively large number of system forms are used for optical fiber digital communication syst...
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  • Development Trend of Optical Fiber Communication Technology

    Optical fiber communication, as one of the main pillars of modern communication, plays an important role in modern telecommunication networks. The development trend of optical fiber communication can be expected from the following aspects. 1.In order to realize increasing information capacity and...
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  • 10Gbit / s EPON Symmetric OLT Optical Module Design

    In the EPON system, the OLT is connected to multiple ONUs (optical network units) through a POS (passive optical splitter). As the core of EPON, OLT optical modules will directly affect the operation of the entire 10G EPON system. 1.Introduction to 10G EPON symmetrical OLT optical module The 10G ...
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  • Low-latency 10G PON solution helps PON technology be applied in new campuses

    PON technology has become the mainstream technology for home broadband, and it is also increasingly applied to enterprise leased lines. In addition, because of its simple two-level all-optical architecture, PON has also become more and more widely used in enterprise parks and industrial control. ...
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  • Open POL campus network supporting 5G convergence

    Opportunities and challenges of POL campus networks In recent years, in the construction of campus networks, POL (Passive Optical LAN) solutions have increasingly become the first choice of customers, and the construction of all-optical campus networks has become a unified understanding of the in...
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  • Edit Viewpoint | Eight Reasons for Optimism in 2020 Optical Device Market

    It is time to look forward to the market prosperity in the new year. After publishing concerns about the next stage of the market several times, the latest post by market research company LightCounting turned the past, pointing out that some negative factors in the past have begun to reverse, and...
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  • PCB puzzle, you have to start from these 3 points

    01 Why Puzzle After the circuit board is designed, components need to be placed on the SMT chip assembly line. Each SMT processing factory will specify the most appropriate size of the circuit board according to the processing requirements of the assembly line. For example, the size is too small ...
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  • Temperature characteristics and mechanical properties of optical fibers

    In order to ensure the reliability and service life of optical fiber communication lines, the temperature characteristics and mechanical characteristics of optical fibers are also two very important physical performance parameters. 1. Temperature characteristics of optical fiber The loss of an op...
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  • Selection and use of optical modules

    The optical module is composed of optoelectronic devices, functional circuits, and optical interfaces. Optoelectronic devices include two parts: transmitting and receiving. The optical module can convert the electrical signal into an optical signal at the transmitting end through photoelectric co...
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  • Optical Device /Packaging Process Of Optical Device You Do Not Know-SMD

    The first step in the process of receiving a chip may be the patch; a TO includes a patch that heat sinks to the TO socket, a chip that LDs to the heat sink, and a backlight PD; The specific mounting process may be very different: the object to be attached is usually an LD / PD chip, or TIA, resi...
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