Abstract

The different types of display used in digital storage oscilloscopes (DSOs) are closely interlinked with the type of display technology used. The main types of display devices are liquid crystal device (LCD) panels and cathode ray tubes. Electroluminescent panels are occasionally found, though these have not proved popular and are currently only available in monochrome types. LCD displays and cathode ray tubes used in DSOs are generally raster scanned, thus building up the displayed picture in exactly the same manner as in a TV set. DSOs with color displays in the Tektronix range form a notable exception. These use a monochrome high resolution monitor cathode ray tube with a whitish phosphor behind the Tektronix proprietary color shutter. Thus, a color display without any of the resolution limitations of a shadow mask tube is possible.

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