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Coaxial Connectors (RF) are used extensively in modern electrical and telecommunications industries. Mainly used for the transmission of microwaves and RF signals, they are an important part of any integrated RF system. As such, it is important to understand their application fields and working principle.

The most common use of Coaxial Connectors is the transmission of signals with a varying voltage amplitude or frequency. This is achieved by the highly characteristic shape of the connectors. A cable connector is shaped like a cylinder, with two circles with different diameters making up the inner and outer contacts. A small gap is left between the two rings, allowing the passage of high-frequency signals. These signals are then transmitted through a conductor, often insulated by a dielectric material such as foam or rubber.

The cables used in coaxial connectors are usually classified by the impedance they present and the insertion loss they generate. The impedance basically determines the quality of the transmission of signals, while the insertion loss is attributed to the energy lost when putting one such connector into a circuit. Common values of impedance for Coaxial Connectors are 50, 75 or 93 ohms.

In terms of application field, coaxial connectors are used in a diverse range of fields, such as broadcast, military and home entertainment. The connectors are also used to route signals from components within a device, as well as for connecting to outside cables. They are commonly used in radio communication and broadcast systems, where they are used to couple RF signals from an antenna to a receiver.

In terms of their working principle, coaxial connectors are usually vibrating contacts which transmit energy between two plates, with one metal or dielectric plate in each end. To ensure signal transmission, the two plates should be touching each other, while the impedance of the connector should be similar to the impedance of the cable. In this way, a clear signal is sent from one device to another without losing any of its power or signal strength.

When considering which coaxial cable connectors to use in your system, it is important to take into account the environment and the frequency range. Additionally, factors such as the RF performance, cost, and the size are also important in deciding which connectors are the most suitable. Overall, coaxial connectors are an integral part of any system, providing the necessary connection for signal transmission, so it is important to understand their application fields and working principle when choosing them.

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