ELEMENTS OF A TELEVISION SYSTEM
Television is an extension of the science of radio communications, embodying all of its fundamental principles and possessing all of its complexities and, in addition, making use of most of the known techniques of electronic circuitry.
Fig. 30.1 Simplified block diagram of a (a) sound transmitter and (b) a sound receiver
In the case of the transmission and reproduction of sound, the fundamental problem is to convert time variations of acoustical energy into electrical information, translate this into radio frequency (RF) energy in the form of electromagnetic waves radiated into space and, at some receiving ...
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