Several common connector physical appearance and characteristics of applications

1, low-frequency circular connectors circular connectors, also known as aviation plug and socket, the operating frequency is less than 3MHz, widely used in a variety of military radio stations and a variety of electrical equipment or vehicle-mounted electrical equipment and cables between the circuit connection. The connector has a fast plugging and unplugging, environmental resistance, good sealing, small size and small quality and so on. Connector part of the spiral locking mechanism, sealing rings, gaskets, cable clamps, connecting rings, locating pins and locating keys and other accessories, reliable connection, good seismic sealing performance. 2, rectangular connector rectangular connector and circular connector compared to the advantages of space-saving, widely used in the circuit boards, circuit boards and devices such as the connection between the contact from one to dozens of varying points of contact with the pin type and reed type Two structures 3, video connector BNC series is a bayonet connection RF coaxial connector. Mostly used for frequencies below 4GHz RF signal connection, it has a rapid connection, reliable contact and other characteristics, widely used in radio equipment and electronic instruments connected to RF coaxial cable. This model is suitable for the same type of adapter, teaching instruments, commonly used in oscilloscope probes and oscilloscope interfaces, signal source leads and signal source connection, etc. 4, fiber optic connector fiber optic connector, is a fiber and fiber for removable (movable) connection between the device, it is the two end faces of the fiber precision butt joints, in order to launch the fiber output of the optical energy can be coupled to the receiving fiber to a large extent, and make the optical link due to its intervention in the optical link. And because of its intervention in the optical link to reduce the impact of the system to a small, which is the basic requirements of the fiber optic connector. According to the fiber optic connector according to the different transmission media can be divided into common silicon fiber single-mode, multi-mode connectors, and other media such as plastic and other transmission media for the fiber optic connector.

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