O'Reilly logo

Consumer Electronics by S. P. Bali

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

TELEVISION AS A SYSTEM

As shown in Fig. 30.36, television operates as a system, the station, and the numerous receivers within range of its signals. The station produces two kinds of signals, video originating from the camera or tape recording, and sound from a microphone or other source. Each of the two signals is generated, processed, transmitted separately, video as an amplitude-modulated signal, and sound as a frequency-modulated signal.

Considering such things as distance between stations, radiated power, geographic location, and topography, each station is assigned a particular channel to reduce the possibility of inter-channel interference. A station may operate in either of two bands. VHF (very high frequency) channels 2 through 13, extending ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required