CATHODE-RAY TUBE


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CATHODE-RAY TUBE
CATHODE-RAY TUBEFor many years the cathode-ray tube (CRT) has been familiar to millions of persons as the picture tube in a television set. The CRT in a television is designed to reproduce an undistorted picture on a screen. The picture is developed from a series of pulses and varying voltages applied to the elements of the tube.Fundamentally, the CRT consists of an electron "gun," a phosphorescent screen, and deflecting devices to control the movement of the electron beam "shot" from the gun. A diagram of a CRT is shown in Fig. 6-82. As in any other thermoemitting tube, the heated cathode supplies the electron emission, and these electrons are accelerated toward …
Citation
Thomas K. Eismin: Aircraft Electricity and Electronics, Sixth Edition. CATHODE-RAY TUBE, Chapter (McGraw-Hill Professional, 2014), AccessEngineering Export