SBC1855A

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Coaxial Connectors (RF) are specialized components used in radio frequency (RF) industries for connecting coaxial RF cables and for providing shielding and precision impedance matching. The SBC1855A is an industry-leading coaxial connector designed to handle a broad spectrum of RF signals. This article explains the application field and working principle of the SBC1855A.

The SBC1855A is designed to meet the most demanding requirements of RF and antenna systems, providing a low-loss and reliable connection, with excellent shielding effectiveness. It is suitable for use in mobile and base-station antennas, studio applications, and wireless communication systems. It is available in two frequency configurations: the 10GHz version and the 18GHz version, making it ideal for use in a variety of applications.

The SBC1855A has a unique design, which combines the advantages of a durable, low-profile connector with the performance characteristics of an higher-frequency connector. It has a stepped profile design, with four different diameters, intended to minimize installation time by allowing the cable to be quickly inserted and removed. The SBC1855A body is constructed from rugged, corrosion-resistant brass alloy, with the contact pins made from gold-plated stainless steel. The shields are made from a nickel-plated zinc alloy, providing excellent shielding performance.

The working principle of the SBC1855A is based on the transmission line theory. The connector is designed to provide a perfect impedance match between the input and output signals, thus avoiding the problems caused by reflections or signal loss. The impedance is determined by the electrical length of the connector, which is determined by the size and shape of the contact pins, as well as the spacing between them. When the connector is assembled, the pins fit perfectly into the female connector, providing a reliable and secure connection.

The connector also provides excellent shielding, protecting the electrical components from outside interference, as well as preventing electrical noise from leaving the connector. The excellent shielding performance is due to the high shielding effectiveness of the SBC1855A. This is achieved by the common-mode-rejection-technique, which minimizes both common-mode and power-carrier noise.

In summary, the SBC1855A is designed to meet the most demanding requirements of RF and antenna systems. It is ideal for use in mobile and base-station antennas, studio applications, and wireless communication systems. Thanks to its unique design, the SBC1855A offers excellent shielding performance and a perfect impedance match. It is a reliable and low-profile solution for a variety of RF applications.

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