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ECA TEP105-8

Raster Response Measurement for Monochrome Cathode Ray Tubes

Organization:
ECIA - Electronic Components Industry Association
Year: 1987

Abstract: The purpose of this test is to measure the resolution capability of a cathode ray display tube.
Raster scan is the most widely used method of displaying information on a CRT. The test described in this section gives a figure of merit related to the resolution of the display tube. The resolution is dependent on:
1. The electron beam distribution as it is focussed onto the phosphor screen.
2. Electron scatter and light scatter due to the granular nature of the phosphor and the aluminum backing of the screen.
3. Saturation of the phosphor.
4. Internal reflections within the faceplate and panels mounted onto the faceplate.
5. Optical effects of coatings, etchings, etc., on the faceplate and panel.
Other external influences including ambient light are not addressed in this method. As well, the transfer characteristics of the viewing system are not considered.
URI: https://yse.yabesh.ir/std/handle/yse/182215
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  • ECIA - Electronic Components Industry Association
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    ECA TEP105-8

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contributor authorECIA - Electronic Components Industry Association
date accessioned2017-09-04T17:59:08Z
date available2017-09-04T17:59:08Z
date copyright01/01/1987
date issued1987
identifier otherFTGXCAAAAAAAAAAA.pdf
identifier urihttps://yse.yabesh.ir/std/handle/yse/182215
description abstractThe purpose of this test is to measure the resolution capability of a cathode ray display tube.
Raster scan is the most widely used method of displaying information on a CRT. The test described in this section gives a figure of merit related to the resolution of the display tube. The resolution is dependent on:
1. The electron beam distribution as it is focussed onto the phosphor screen.
2. Electron scatter and light scatter due to the granular nature of the phosphor and the aluminum backing of the screen.
3. Saturation of the phosphor.
4. Internal reflections within the faceplate and panels mounted onto the faceplate.
5. Optical effects of coatings, etchings, etc., on the faceplate and panel.
Other external influences including ambient light are not addressed in this method. As well, the transfer characteristics of the viewing system are not considered.
languageEnglish
titleECA TEP105-8num
titleRaster Response Measurement for Monochrome Cathode Ray Tubesen
typestandard
page7
statusActive
treeECIA - Electronic Components Industry Association:;1987
contenttypefulltext
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