December 1999
Intermediate to advanced
258 pages
5h 23m
English
Content preview from Essential Guide to RF and Wireless, The
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BLOCK DIAGRAMS
Transmitters and receivers are very complex systems with many internal components, but all transmitters and receivers perform the same basic functions and they can both be described by simple block diagrams (see Figures 3-1 and 3-2). In these figures, the signals flow from left to right. The weird shaped things are the components and the straight lines are the conductors which connect them. As can be seen in these block diagrams, a signal gets from one component to another by way of a conductor. Recall that a receiver turns an airborne wave into an electrical signal and a transmitter turns an electrical signal into an airborne wave.
Receiver
Figure 3-1. Receiver block diagram.
Transmitter
Figure 3-2. Transmitter block diagram. ...
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