December 1999
Intermediate to advanced
258 pages
5h 23m
English
Content preview from Essential Guide to RF and Wireless, TheBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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RF IN THE ENVIRONMENT
Signal Behavior
Skin Effect
As you have already learned, RF signals are either on a conductor or flying around as waves in the air. When an RF signal is on a conductor, which is just about any piece of metal, it only hangs out on the surface of the metal object itself. Picture a solid piece of metal the shape of a brick. If an RF signal were placed on the brick, the signal itself would only be present on the surface of the brick, none would venture inside. If a detector could somehow be placed inside the brick, it would not detect the presence of the RF signal. This behavior exhibited by RF signals is called the skin effect, which is self-explanatory.
The reason the skin effect occurs is simple to understand, if you have ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.