Coax Cable

Coaxial Cable and What it Means

Posted on Monday, June 29, 2015 by Kimberly Versaw

What is Coaxial cable? A simple answer from Merriam-Webster is a transmission line that consists of a tube of electrically conducting material surrounding a central conductor held in place by insulators and that is used to transmit telegraph, telephone, and television signals.  In more engineering terms, coax cable, as it is often called, is a cable consisting of two cylindrical conductors with a common axis, separated by a dielectric. 

The term coaxial comes from the inner conductor and the outer shield sharing a geometric axis.  Coaxial cable differs from other shielded cable used for carrying lower-frequency signals, such as audio signals, in that the dimensions of the cable are controlled to give a precise, constant conductor spacing, which is needed for it to function efficiently as a transmission line.

Alpha Essentials, Coaxial and Twinax Cable include 50, 75, 93, and 100 ohm coaxial and twinaxial.  We offer a wide range of insulations and jackets meeting the requirements of military specifications and regulatory agencies such as UL and CSA.  For broadcast-quality video transmission, our precision video cables use FEP dielectrics to achieve low capacitance, high velocities of propagation, and tight tolerances for maximum signal integrity.  Our coaxial cables include 30 different RG types so you can find the perfect cable for your desired application and our coaxial cable products are in-stock and ready to ship!

Request your free sample today!

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