Schematics of Atanasoff-Berry Computer logic circuits?
mouse at Rodents-Montreal.ORG
Fri Aug 22 00:43:39 CDT 2008
> It is not simply a swap of transistors for vacuum tubes, they are
> fundamentally different approaches to gate design, at least if we're
> talking about the common families of RTL ICs (that I've seen internal
> schematics for).
Well, for one thing, isn't RTL generally bipolar junction transistors?
Vacuum tubes are operationally more like FETs than they are like BJTs.
(A BJT is current control, current output, whereas a FET or vacuum tube
is voltage control, current output.)
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