Post #1057213
2023-04-07 00:28 UTC
this is a Nuvistor! it's a super-advanced vacuum tube that could have beaten the transistor.
Replies (7)
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@tubetime@mastodon.social 2023-04-07 00:28
in 1959, RCA took their tube-making expertise and made this micro miniature tube almost as small as a 1950s transistor
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@petrillic@hachyderm.io 2023-04-07 00:49
@tubetime@mastodon.social if i recall tektronix used a lot of these in their scopes
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@oisin@mastodon.ie 2023-04-07 01:31
@tubetime@mastodon.social gorgeous piece of machinery -- EMP proof amirite
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@recursive@hachyderm.io 2023-04-07 02:03
@tubetime@mastodon.social The lovely HP 3400a RMS voltmeter (1964) uses one of these in the input amplifier! https://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1964-01.pdf
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@ferricoxide@mastodon.social 2023-04-07 04:33
@tubetime@mastodon.social How few nanometers-big could you make a functional vacuum tube?
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@johnb48@mastodon.online 2023-04-07 04:56
@tubetime@mastodon.social do we know what the specs were for it?
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@polarweasel@hachyderm.io 2023-04-08 03:44
@tubetime@mastodon.social I am so glad I read this thread, and doubly so that I read to the very end 🤣