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What is a BNC connector used for?

BCN is a short term for Bayonet Neill Concelman connector, (often erroneously denominated a British Naval Connector or Bayonet Nut Connector, a kind of connector employed with coaxial wires like the RG-58 A/U cable utilized with the 10Base-2 Ethernet system. The basic BNC connector is a male kind mounted at each end of a cable.  This connector has a middle pin connected to the center wire conductor and a metal tube attached to the outer cable protection.   A rotating ring external of the tube locks the wire to any kind of female connector.

BNC T-connectors (employed with the 10Base-2 system) are female devices created to connect two wires to a network interface card (NIC). A BNC barrel connector enables connecting two cables together.

BNC connectors can be used to connect some monitors as well, which improves the accuracy of the signals sent from the video adapter.

BNC connectors are most generally designed and produced in two versions; 50 ohms and 75-ohm variants, meant to be used with cables of the same characteristic impedance.  The 75-ohm connector is dimensionally slightly different from the 50-ohm variant, but the two nevertheless can be made to mate. The 75-ohm versions can usually be identified by the absence or the reduced dielectric in the mating ends.  

The 50-ohm connectors are usually designed for use at frequencies up to 4 GHz. 50-ohm connectors are used RF and data. There´s also a 95-ohm variant, this variant is used within the aerospace sector, but rarely elsewhere. It is utilized with the 95-ohm video connections for glass cockpit displays on some aircraft. 

Function

Consumer electronics that have RCA connectors, including televisions and DVD players, could also offer BNC connectors to deliver composite video. On computer monitors, BNC connectors are often used as an option to VGA connectors in order to enhance the quality of the video. BNC connectors can connect both analog and digital signals.

Features

Male kinds of BNC connectors are attached to the ends of coaxial wires. BNC connectors consist of a metal ring, or tube, encompassing a pin. The pin is attached to the coaxial cable and is the point of transmission between the cable and the device the cable is connected to.

BNC Compared to SMA

Both BNC and SMA connectors can be used with coaxial cables. SMA connectors are commonly used for household television cable connections, and may, therefore, be more familiar to consumers. However, SMA connectors differ from BNC connectors and the types of connectors are not interchangeable. SMA connectors, for example, are threaded, while BNC connectors are not.

Misconceptions

The name BNC stands for Bayonet Neill Concelman. Bayonet represents the physical connector type and Neill and Concelman are the names of the BNC connector’s two creators. The name BNC has been wrongly believed to stand for British Naval Connector, Bayonet Nut Connector, and Baby N connector.

Compatibility

BNC connectors were originally created only in 50-ohm versions, for use with any impedance of the cable. Above this frequency, the mismatch grows progressively and can lead to signal reflections.  At frequencies under10 MHz the impedance mismatch between connectors or cables has unimportant effects.

If you would like to receive a quote for any of Network Custom Cables, Audio or Video Vustom Assemblies, please do not hesitate to contact us by sending an email to [email protected] or calling in the USA this phone number (682-325-1944)

Jessica Cardona
www.readytogocables.com

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