December 1999
Intermediate to advanced
258 pages
5h 23m
English
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BANDWIDTH
Definition
Probably no word is used more often in the world of RF than the word bandwidth. Now that you know what frequency is, it's not too difficult to understand the term bandwidth. Bandwidth is a way of describing a range of frequencies. It equals the difference between the highest frequency and the lowest frequency of the device or application, and therefore two frequencies are required to define a bandwidth. For instance, if a particular device can accommodate all frequencies between 75 MHz and 125 MHz, it has a bandwidth of 50 MHz (125 MHz-75 MHz).
Sometimes bandwidth is expressed in terms of a percentage. In this case, the bandwidth is simply divided by the average of the upper and lower frequencies. A simple example will explain ...
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