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    back to the past....or back to the future.....460Ghz vacuum transistor

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    MontanaWay

    Posts : 767
    Join date : 2014-02-06
    Age : 58
    Location : Cameron, Montana

    back to the past....or back to the future.....460Ghz vacuum transistor

    Post by MontanaWay on Fri Feb 13, 2015 2:04 am

    a very interesting development in 'vacuum semi conductors', be interesting to see how this will develop further... Link below ...

    Vacuum tube semi conductor article

    daveshel

    Posts : 148
    Join date : 2011-11-06
    Location : Tucson AZ USA

    Re: back to the past....or back to the future.....460Ghz vacuum transistor

    Post by daveshel on Fri Feb 13, 2015 1:36 pm

    Interesting. I don't see it having much applicability in the mass market where convenience beats sound quality every time, but this may offer some new possibilities for our little niche - maybe offer an alternative to hard-to-find old tubes.

    GP49

    Posts : 718
    Join date : 2009-04-30
    Location : East of the sun and west of the moon

    Re: back to the past....or back to the future.....460Ghz vacuum transistor

    Post by GP49 on Wed Mar 04, 2015 6:34 pm

    As with many such new developments, there has been an amateur application of the same principle.  The experimenter points out that the common vacuum fluorescent display is...A TRIODE!  So he used one as a Class-A tube amplifier!

    Original German link:

    http://www.b-kainka.de/bastel72.htm

    Google Translated:

    https://translate.google.com/translate?sl=de&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fwww.b-kainka.de%2Fbastel72.htm&edit-text=

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    Re: back to the past....or back to the future.....460Ghz vacuum transistor

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