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Valves are coming back
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Return to top of page · Post #: 16 · Written at 10:25:33 AM on 21 April 2012.
	Brad Administrator Location: Naremburn, NSW Member since 15 November 2005 Member #: 1 Postcount: 7311
One thing that makes valves clash with modern manufacturing principles is that valves are a replaceable part. Most electronic equipment now contains integrated circuits with no brand name and no part number and are more often surface-mounted now, making them very difficult to remove from the board. Ever pulled a digital watch apart? It's just one integrated circuit covered in a blob of plastic, two buttons and an LCD display - nothing to replace at all. I wouldn't be surprised if valves went that way. Look at plasma telelvision screens - they are a sheet of glass containing a few thousand valves that work under a similar principle to magic eyes with one difference - they are cold cathode. There is every chance that if valves become more popular in modern equipment that each manufacturer will design their own unique valves to suit the application rather than just pulling existing valves from the parts bin. ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ A valve a day keeps the transistor away...

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