Very much On Topic: Integrated Vacuum Tubes

[John Lawson]

On Thu, 21 Apr 2005, Paul Koning wrote:

>
> I think acorn tubes are smaller.  Those are UHF tubes -- I think they
> were used in 1940s or 1950s vintage equipment for oscillators or

   Ummmm - no.  A nuvistor could very nearly fit into the acorn's envelope. 
Nuvistors look like a largish metal pencil eraser - they're substatially 
smaller internally than an acorn tube, as well.  And of course, as you 
mention, 30 years later in design.

Cheers

John

(Who has hundreds of each type...)