Short Description BNC Connectors

Many people don't know what a BNC connector is, nor its use, structure, quality and other characteristics. Today, there are knowledge points related to BNC connectors. In fact, BNC connectors are a type of coaxial cable connectors. So, let's find out what it is like. 1. BNC connection structure BNC-T magnetic head is used to connect computer network cards and network cables. The BNC barrel connector is used to connect two thin cables to a longer cable. BNC Cable Connectors for Soldering or Tightening Cable Ends BNC Terminals are used to prevent signals from being interfered by reflections after the cable is disconnected. Terminals are special connectors with resistors that match the characteristics of the network cable. Each terminal must be grounded.

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2. Main characteristics of BNC connectors 1. Characteristic impedance The characteristic impedance of BNC connectors uses Z, so 50 and 75 are commonly used. Many series of BNC connectors are available in 50 and 75 specifications. Generally speaking, 50BNC connectors are mostly used in high-frequency and high-performance products. 75BNC connectors are mostly used in products below 4GHz, especially consumer electronic video. Users must choose BNC connectors that match the impedance according to their products. 2. Frequency Each CNC connector has a frequency range. Users must know the product running frequency and select the connector. Choosing a connector lower than the desired operating frequency may affect the electrical performance of the entire machine. Or choosing expensive high-precision and high-frequency connectors can be wasteful. It should be noted that the use frequency of connectors designed by different companies is relatively different, and the use frequency of defective products is far from meeting industry requirements. When selecting connectors, confirm the electrical performance description of the product. 3. Quality of BNC connectors 1. BNC connectors pass through the surface of the product, and the coating is bright and delicate. The higher the purity of copper, the brighter it is. Some products are bright on the outside, but the iron is bright. 2. Magnet adsorption test, generally only the circlip spring and tail spring are made of steel. The clips, pins and sleeves are copper and the other parts are zinc. 3. Scrape off the surface coating. Use sharp tools such as materials: blades to scrape off the surface coating. Look at the materials visually and compare the product materials visually. With the development of science and technology, the complexity of machines will gradually deepen. On a machine, the connector is a very important component. The connector is small, but the transmission signal depends on the connector. Therefore, when choosing a connector, performance and quality are the most important factors that directly determine the longevity and performance of a machine.

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