What do I need to pay attention to the electrical contact mechanism of RF coaxial connectors?

Siemens connectors, AT&T connectors and Ericsson connectors are widely used in digital cabling in China. This article focuses on L9 connectors, widely used in China, the production technology is mature, mainly used in our company. Previous article we sent the article is RF coaxial connection SAA this type of need what are the main features in order to more comprehensive introduction of RF coaxial connectors, coaxial connectors, fiber optic connectors various performance, specifications, parameters and so on, we will continue to publish the latest knowledge to help you learn more information. RF coaxial connector is essentially a coaxial transmission line: a coaxial transmission line with a separable electrical contact mechanism, connection mechanism and other mechanical (such as mounting mechanism, end cable mechanism). The RF coaxial connector must be constructed with at least an inner conductor and an outer conductor connected to the inner and outer conductors of the coaxial transmission line, respectively, and with an insulating support (usually made of PTFE) to keep the inner and outer conductors coaxial (concentric). In order to consolidate their markets, all communication equipment manufacturers have designed their own specialized connectors, so there are many types of connectors. In China, NEC connectors, Fujitsu connectors, Siemens connectors, AT&T connectors and Ericsson connectors are widely used in digital cabling in China. This paper focuses on L9 connectors, which are widely used in China and have mature production technology, and are mainly used in our company. Its production process can be roughly divided into seven steps, of which there are four important production process: material inspection, parts manufacturing, product assembly and finished product inspection, of which parts manufacturing including processing and plating, is the core of coaxial connector production and quality assurance. Incoming materials include: insulators, rubber seals and other non-metallic parts, as well as some metal parts that require machining, such as internal and external conductors, compression sleeves and housings. The construction of RF coaxial transmission lines is characterized by the coincidence of the central axes of the internal and external conductors, hence the term coaxial. Therefore, the thickness of the insulating layer (insulator) between the external conductors should be uniform to keep the internal and external conductors coaxial.

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