December 1999
Intermediate to advanced
258 pages
5h 23m
English
Content preview from Essential Guide to RF and Wireless, The
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DETECTORS
Block Diagram
Figure 4-22. Block diagram of a detector.
The Detector's Function
A block diagram of a detector is shown in Figure 4-22, and if you think a detector looks like a cross between a coupler and attenuator, you're right, but that won't help you much. A detector is essentially a power-to-voltage converter. RF power enters at point A and what comes out at point B is a voltage which is proportional to the RF power.
The reason a detector is used, in place of a coupler, is that there are certain pieces of test equipment and non-RF components (like microprocessors) which cannot handle RF power directly, but can handle an electrical ...
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