Fill in the Blanks


1		The FCC has mandated that all new TV sets must have a digital HDTV for over-the-air reception by 20


2		The entire TV signal occupies a channel in the spectrum with a bandwidth of MHz.


3		A TV is a very sophisticated electronic device that incorporates lenses and light-sensitive transducers to convert the scene or object to be viewed to an electric signal that can be used to modulate a carrier.


4		is a technique that divides a rectangular scene into individual lines.


5		The of the picture refers to the amount of detail that can be shown.


6		The of a video system determines the resolution.


7		The I and Q color signals are referred to as the signals.


8		A TV receiver is basically a(n) receiver.


9		To display a picture on a picture tube, special circuits are needed to generate the voltages and currents to operate the picture tube.


10		In a TV receiver, a horizontal oscillator drives a horizontal output stage that develops a(n) of current that drives magnetic deflection coils in the picture tube yoke that sweep the electron beams in the picture tube.


11		In a television receiver, the horizontal output transistor drives a step up-step down transformer called the .


12		A picture tube is a vacuum tube called a(n) tube.


13		Around the neck of the picture tube is a structure of magnetic coils called the yoke which influences the position of the electron beam.


14		A(n) screen is made up of many tiny cells filled with a special gas.


15		With cable TV systems, a junction box containing amplifiers that takes the signals and redistributes them to smaller cables is called a(n) .

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