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Magic-Eye indicator
Автор: tuopeek
Загружено: 2021-12-03
Просмотров: 18327
Описание: Short video on old indicator tubes from valve equipment. Three common types are shown operating with a low frequency sine wave modulating the grids. Fluorescent coatings are used with in the tube to produce a visual indication for signal level. Had some issues with sound on this video, apologies it's a little worse than usual. The three tubes here are electrically very similar but due to the pin arrangements are not interchangeable.
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