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For Your Information / Page 4

Coaxial Cable


Coaxial cables are commonly used to connect home video equipment. They used to be common for implementing computer networks, in particular ethernet, but twisted pair cables have replaced them in most applications except in the growing consumer cable modem market for broadband internet access. Long distance coaxial cable is used to connect radio networks and television networks, though this has largely been superseded by other more high-tech methods fiber optics,T1,E1 satellite. It still carries cable television signals to the majority of television receivers, and this purpose consumes the majority of coaxial cable production. 

BNC Coaxial Connectors


The most common type of connector used with coaxial cables is the (BNC) connector Different types of adapters are available for BNC connectors, including a T-connector, barrel connector, and terminator. Connectors on the cable are the weakest points in any network. To help avoid problems with your network, always use the BNC connectors that crimp, rather than screw, onto the cable. This type of connector is also used with video surveillance cameras.


F Type Coaxial Connectors


The F connector is a type of coaxial RF connector commonly used for cable television and universally for satellite television and cable modems, usually with RG6/U cable or, in older installations, with RG59/U cable . The F connector is inexpensive, yet has good 75 Ω impedance match up to 1 GHz and has usable bandwidths up to several GHz. One reason for its low cost is that it uses the solid conductor (center wire) of the specified types of coaxial cable as the pin of the male connector.