202101-11

Coaxial Connectors (RF) - Accessories are a specialized type of connector designed to connect a signal source to an antenna or electrical device. They are typically used in radio frequency (RF) applications and are designed to reduce energy loss and interference from other signals. The most common type of RF coaxial connector is a 50 Ohm type, which is designed to match the impedance of the coaxial cable and the device being connected. This reduces the return loss, which is a measure of power loss through the connection.

Coaxial connectors have two major design features that help them operate better than other types of connectors. The first feature is that RF coaxial connectors have a center conductor surrounded by insulation material and a metal shield. This combination of insulation and shielding are important for RF performance. The shield acts as a Faraday cage around the center conductor, preventing coupling of signals, while the insulation allows the signal to be transmitted with minimal conduction loss.

The second design feature is the type of contact used by the connector. Many of today\'s RF coaxial connectors use a “push on” type contact. This contact requires the user to press the center conductor into the end of the connector to make the connection. This ensures a tight connection and adequate electrical contact between the connector and the center conductor for a low return loss. The use of a push on connection also enables changing the connection quickly and without special tools.

Coaxial connectors have the advantages of being small, robust, and low in cost compared to other types of RF connectors. They are commonly used for short range, RF applications. However, they are not suitable for high-power applications, due to their limited current capability and susceptibility to external interference.

With advances in technology, advancements in the design of coaxial connectors are being made to improve performance and reliability. Examples of these include improved shielding for better isolation and resistance to external interference, as well as better contact designs for improved electrical contact and lower return loss. The use of different materials such as plastic, brass, and aluminum is also improving the quality of the connection and making them even more reliable and durable.

In summary, Coaxial Connectors (RF) - Accessories are a specialized type of RF connector designed to match the impedance of the coaxial cable and the device being connected. With its unique design features and improved contact designs, it can provide superior signal transmission and reduced energy loss. As a result, it is widely used in short range RF applications such as intercoms, radio systems, and other low power systems.