The role of connectors in communication systems

Any network needs connectivity to combine individual devices into one network system. In today's networks, interconnected devices, or connectors, play an important role: first, it can electrically connect individual devices to form larger network systems; on the other hand, today's standardized interconnections require connectivity for any network in order to A single device is combined into one network system. In today's networks, interconnected devices, or connectors, play an important role: first, it can electrically connect individual devices to form larger network systems; on the other hand, today's standardized interconnections enable devices manufactured by different companies to interact with each other. Work together to build a network in a neighborhood to meet business or community needs. Therefore, in a wired communication system, the role of the connector mainly has three aspects: First, the electrical connection can be made between the circuit board and the single electrical component in a single device; second, if a standardized interconnection is used, different companies can be made. The manufactured equipment is connected to each other to form a network in a block to meet the needs of the business or community. Third, it is designed to achieve reliable functions to withstand the known working environment and equipment eye period. The intensity of work. For the requirements of the connector of the wired communication system, the following aspects should be considered in the design: 1. The gold-plated contact interface is used to ensure higher wear resistance and good electrical characteristics; 2. Redundant contact interface, guarantee Wang Gao reliability; 3. Optional airtight connection or PCB welding; 4. External features of the housing should be easy to guide and guide when inserted; 5. Use different pin heights to ensure the sequence of signal and ground connection; The high-power power supply should use special terminals, and the signal contact terminals should be different; 7. Ensure EMI characteristics and chassis grounding. In addition, the use of connectors in wireless communication systems is more complex, and the interconnection of base stations in a typical wireless communication system requires a variety of electronic connectors. Such as RF connectors, power connectors, backplane connectors, input/output connectors, and printed circuit board connectors. The types of power connectors used in wireless communication systems include integrated backplane power systems, daughterboard/stack connectors, signal bus-to-board connectors, board-to-board power connectors, and power supplies. Cable/cable Nrn; Brush connector, power connector for the microprocessor, and connector for power input. Whether the connector is in a wired communication system or a wireless communication system, ensuring the integrity of signal transmission is its primary mission. Therefore, when designing the signal integrity of the connector, it is necessary to consider: 1. The continuity of the impedance of the entire interconnected transmission line; 2. The crosstalk of each pin of the connector; 3. With timing requirements, it is necessary to consider the connector. Delay. With the rise of mobile communication devices and the improvement of the national communication network, the application of connectors in communication systems is becoming more widespread. On the other hand, connector performance requirements are gradually improved, and the widespread use of high-performance and high-reliability communication connectors will become the driving point of the communications industry. Http://?itemid=345 http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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