Q: Why do some coax cables have copper covered steel center conductors and others have solid copper center conductors?
A: Copper covered steel center conductors are used on coax cables in high frequency applications such as DSS 2.25Ghz. This is due to the fact that high frequencies travel on the outside of the center conductor. This is called "skin effect". Since the the core of the center conductor is not used in high frequency applications, it is less expensive to manufacture the core out of steel.
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Last Updated: Friday the 28th of October 2005 at 2:07pm Pacific Daylight Time
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